197755087501764 has 81 divisors (see below), whose sum is σ = 541294171364583. Its totient is φ = 60847381730304.

The previous prime is 197755087501753. The next prime is 197755087501799. The reversal of 197755087501764 is 467105780557791.

The square root of 197755087501764 is 14062542.

It is a perfect power (a square), and thus also a powerful number.

197755087501764 is a `hidden beast` number, since 1 + 9 + 7 + 7 + 5 + 50 + 8 + 7 + 501 + 7 + 64 = 666.

197755087501764 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 48765888900 + 197706321612864 = 220830^2 + 14060808^2 .

It is a super-2 number, since 2×197755087501764² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 197755087501692 and 197755087501701.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1096788132 + ... + 1096968420.

Almost surely, 2^{197755087501764} is an apocalyptic number.

197755087501764 is the 14062542-nd square number.

It is an amenable number.

197755087501764 is an abundant number, since it is smaller than the sum of its proper divisors (343539083862819).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

197755087501764 is an frugal number, since it uses more digits than its factorization.

197755087501764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360614 (or 180307 counting only the distinct ones).

The product of its (nonzero) digits is 518616000, while the sum is 72.

It can be divided in two parts, 19775508 and 7501764, that added together give a palindrome (27277272).

The spelling of 197755087501764 in words is "one hundred ninety-seven trillion, seven hundred fifty-five billion, eighty-seven million, five hundred one thousand, seven hundred sixty-four".