97201583172 has 24 divisors (see below), whose sum is σ = 252004104800. Its totient is φ = 32400527688.

The previous prime is 97201583137. The next prime is 97201583183. The reversal of 97201583172 is 27138510279.

It is a super-2 number, since 2×97201583172² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450007222 + ... + 450007437.

Almost surely, 2^97201583172 is an apocalyptic number.

It is an amenable number.

97201583172 is an abundant number, since it is smaller than the sum of its proper divisors (154802521628).

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

97201583172 is a wasteful number, since it uses less digits than its factorization.

97201583172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900014672 (or 900014664 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The spelling of 97201583172 in words is "ninety-seven billion, two hundred one million, five hundred eighty-three thousand, one hundred seventy-two".