97677501156 has 135 divisors (see below), whose sum is σ = 259457314809. Its totient is φ = 32043485952.

The previous prime is 97677501143. The next prime is 97677501193. The reversal of 97677501156 is 65110577679.

The square root of 97677501156 is 312534.

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

It can be written as a sum of positive squares in only one way, i.e., 43860924900 + 53816576256 = 209430^2 + 231984^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 545684275 + ... + 545684453.

Almost surely, 2^97677501156 is an apocalyptic number.

97677501156 is the 312534-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97677501156

97677501156 is an abundant number, since it is smaller than the sum of its proper divisors (161779813653).

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

97677501156 is an equidigital number, since it uses as much as digits as its factorization.

97677501156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 2778300, while the sum is 54.

The spelling of 97677501156 in words is "ninety-seven billion, six hundred seventy-seven million, five hundred one thousand, one hundred fifty-six".