88640662023 has 6 divisors (see below), whose sum is σ = 128036511824. Its totient is φ = 59093774676.

The previous prime is 88640661833. The next prime is 88640662043. The reversal of 88640662023 is 32026604688.

It is not a de Polignac number, because 88640662023 - 2¹⁸ = 88640399879 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 88640662023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88640662043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4924481215 + ... + 4924481232.

Almost surely, 2^88640662023 is an apocalyptic number.

88640662023 is a deficient number, since it is larger than the sum of its proper divisors (39395849801).

88640662023 is a wasteful number, since it uses less digits than its factorization.

88640662023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9848962453 (or 9848962450 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 88640662023 in words is "eighty-eight billion, six hundred forty million, six hundred sixty-two thousand, twenty-three".