97857326568 has 16 divisors (see below), whose sum is σ = 244643316480. Its totient is φ = 32619108848.

The previous prime is 97857326561. The next prime is 97857326599. The reversal of 97857326568 is 86562375879.

It is a junction number, because it is equal to n+sod(n) for n = 97857326499 and 97857326508.

It is not an unprimeable number, because it can be changed into a prime (97857326561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2038694280 + ... + 2038694327.

It is an arithmetic number, because the mean of its divisors is an integer number (15290207280).

Almost surely, 2^97857326568 is an apocalyptic number.

It is an amenable number.

97857326568 is an abundant number, since it is smaller than the sum of its proper divisors (146785989912).

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

97857326568 is a wasteful number, since it uses less digits than its factorization.

97857326568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4077388616 (or 4077388612 counting only the distinct ones).

The product of its digits is 152409600, while the sum is 66.

The spelling of 97857326568 in words is "ninety-seven billion, eight hundred fifty-seven million, three hundred twenty-six thousand, five hundred sixty-eight".