88475991 has 16 divisors (see below), whose sum is σ = 124117728. Its totient is φ = 55987200.

The previous prime is 88475929. The next prime is 88475999. The reversal of 88475991 is 19957488.

It is not a de Polignac number, because 88475991 - 2¹⁸ = 88213847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88475999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5170 + ... + 14271.

It is an arithmetic number, because the mean of its divisors is an integer number (7757358).

Almost surely, 2^88475991 is an apocalyptic number.

88475991 is a deficient number, since it is larger than the sum of its proper divisors (35641737).

88475991 is a wasteful number, since it uses less digits than its factorization.

88475991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19522.

The product of its digits is 725760, while the sum is 51.

The square root of 88475991 is about 9406.1677106035. The cubic root of 88475991 is about 445.5965420383.

The spelling of 88475991 in words is "eighty-eight million, four hundred seventy-five thousand, nine hundred ninety-one".