97550697072 has 40 divisors (see below), whose sum is σ = 254837506320. Its totient is φ = 32151539200.

The previous prime is 97550697071. The next prime is 97550697077. The reversal of 97550697072 is 27079605579.

It is a super-2 number, since 2×97550697072² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97550697071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11413179 + ... + 11421722.

It is an arithmetic number, because the mean of its divisors is an integer number (6370937658).

Almost surely, 2^97550697072 is an apocalyptic number.

It is an amenable number.

97550697072 is an abundant number, since it is smaller than the sum of its proper divisors (157286809248).

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

97550697072 is a wasteful number, since it uses less digits than its factorization.

97550697072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22835001 (or 22834995 counting only the distinct ones).

The product of its (nonzero) digits is 8334900, while the sum is 57.

The spelling of 97550697072 in words is "ninety-seven billion, five hundred fifty million, six hundred ninety-seven thousand, seventy-two".