97097185437 has 24 divisors (see below), whose sum is σ = 150693681600. Its totient is φ = 55449487296.

The previous prime is 97097185433. The next prime is 97097185447. The reversal of 97097185437 is 73458179079.

It is not a de Polignac number, because 97097185437 - 2² = 97097185433 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97097185433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31264 + ... + 441782.

It is an arithmetic number, because the mean of its divisors is an integer number (6278903400).

Almost surely, 2^97097185437 is an apocalyptic number.

It is an amenable number.

97097185437 is a deficient number, since it is larger than the sum of its proper divisors (53596496163).

97097185437 is a wasteful number, since it uses less digits than its factorization.

97097185437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412145 (or 412138 counting only the distinct ones).

The product of its (nonzero) digits is 13335840, while the sum is 60.

The spelling of 97097185437 in words is "ninety-seven billion, ninety-seven million, one hundred eighty-five thousand, four hundred thirty-seven".