88638656 has 14 divisors (see below), whose sum is σ = 175892460. Its totient is φ = 44319296.

The previous prime is 88638637. The next prime is 88638659. The reversal of 88638656 is 65683688.

It is a super-2 number, since 2×88638656² = 15713622674972672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (88638659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692426 + ... + 692553.

Almost surely, 2^88638656 is an apocalyptic number.

It is an amenable number.

88638656 is a deficient number, since it is larger than the sum of its proper divisors (87253804).

88638656 is a wasteful number, since it uses less digits than its factorization.

88638656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384991 (or 1384981 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 50.

The square root of 88638656 is about 9414.8104601208. The cubic root of 88638656 is about 445.8694544428.

The spelling of 88638656 in words is "eighty-eight million, six hundred thirty-eight thousand, six hundred fifty-six".