88213656 has 32 divisors (see below), whose sum is σ = 232142400. Its totient is φ = 27856800.

The previous prime is 88213651. The next prime is 88213681. The reversal of 88213656 is 65631288.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88213651) 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, 96270 + ... + 97181.

It is an arithmetic number, because the mean of its divisors is an integer number (7254450).

Almost surely, 2^88213656 is an apocalyptic number.

It is an amenable number.

88213656 is an abundant number, since it is smaller than the sum of its proper divisors (143928744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

88213656 is a wasteful number, since it uses less digits than its factorization.

88213656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193479 (or 193475 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 88213656 is about 9392.2125188903. The cubic root of 88213656 is about 445.1557019428.

The spelling of 88213656 in words is "eighty-eight million, two hundred thirteen thousand, six hundred fifty-six".