97773373492 has 12 divisors (see below), whose sum is σ = 171254964580. Its totient is φ = 48843383616.

The previous prime is 97773373463. The next prime is 97773373517. The reversal of 97773373492 is 29437337779.

It can be written as a sum of positive squares in 2 ways, for example, as 56289460516 + 41483912976 = 237254^2 + 203676^2 .

It is a super-2 number, since 2×97773373492² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 97773373492.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10820703 + ... + 10829734.

Almost surely, 2^97773373492 is an apocalyptic number.

It is an amenable number.

97773373492 is a deficient number, since it is larger than the sum of its proper divisors (73481591088).

97773373492 is a wasteful number, since it uses less digits than its factorization.

97773373492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21651570 (or 21651568 counting only the distinct ones).

The product of its digits is 42007896, while the sum is 61.

The spelling of 97773373492 in words is "ninety-seven billion, seven hundred seventy-three million, three hundred seventy-three thousand, four hundred ninety-two".