92640987997 has 8 divisors (see below), whose sum is σ = 95087520000. Its totient is φ = 90214266384.

The previous prime is 92640987979. The next prime is 92640988007. The reversal of 92640987997 is 79978904629.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 92640987997 - 2¹⁵ = 92640955229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92640987097) 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, 4943122 + ... + 4961827.

It is an arithmetic number, because the mean of its divisors is an integer number (11885940000).

Almost surely, 2^92640987997 is an apocalyptic number.

It is an amenable number.

92640987997 is a deficient number, since it is larger than the sum of its proper divisors (2446532003).

92640987997 is a wasteful number, since it uses less digits than its factorization.

92640987997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9905195.

The product of its (nonzero) digits is 123451776, while the sum is 70.

The spelling of 92640987997 in words is "ninety-two billion, six hundred forty million, nine hundred eighty-seven thousand, nine hundred ninety-seven".