97888695520 has 576 divisors, whose sum is σ = 324360723456. Its totient is φ = 27458027520.

The previous prime is 97888695467. The next prime is 97888695521. The reversal of 97888695520 is 2559688879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97888695521) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 33718389 + ... + 33721291.

It is an arithmetic number, because the mean of its divisors is an integer number (563126256).

Almost surely, 2^97888695520 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 97888695520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162180361728).

97888695520 is an abundant number, since it is smaller than the sum of its proper divisors (226472027936).

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

97888695520 is a wasteful number, since it uses less digits than its factorization.

97888695520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2983 (or 2968 counting only the distinct ones).

The product of its (nonzero) digits is 87091200, while the sum is 67.

The spelling of 97888695520 in words is "ninety-seven billion, eight hundred eighty-eight million, six hundred ninety-five thousand, five hundred twenty".