88638775 has 12 divisors (see below), whose sum is σ = 110164824. Its totient is φ = 70748000.

The previous prime is 88638773. The next prime is 88638793. The reversal of 88638775 is 57783688.

It is not a de Polignac number, because 88638775 - 2¹ = 88638773 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 (88638773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7680 + ... + 15370.

It is an arithmetic number, because the mean of its divisors is an integer number (9180402).

Almost surely, 2^88638775 is an apocalyptic number.

88638775 is a deficient number, since it is larger than the sum of its proper divisors (21526049).

88638775 is a wasteful number, since it uses less digits than its factorization.

88638775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8162 (or 8157 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 52.

The square root of 88638775 is about 9414.8167799485. The cubic root of 88638775 is about 445.8696539737.

The spelling of 88638775 in words is "eighty-eight million, six hundred thirty-eight thousand, seven hundred seventy-five".