97913069568 has 560 divisors, whose sum is σ = 309721270320. Its totient is φ = 30788812800.

The previous prime is 97913069567. The next prime is 97913069591. The reversal of 97913069568 is 86596031979.

97913069568 is a `hidden beast` number, since 9 + 7 + 9 + 1 + 3 + 0 + 69 + 568 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97913069567) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1605132258 + ... + 1605132318.

It is an arithmetic number, because the mean of its divisors is an integer number (553073697).

Almost surely, 2^97913069568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97913069568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154860635160).

97913069568 is an abundant number, since it is smaller than the sum of its proper divisors (211808200752).

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

97913069568 is an equidigital number, since it uses as much as digits as its factorization.

97913069568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 22044960, while the sum is 63.

The spelling of 97913069568 in words is "ninety-seven billion, nine hundred thirteen million, sixty-nine thousand, five hundred sixty-eight".