88623556 has 18 divisors (see below), whose sum is σ = 180412638. Its totient is φ = 37981440.

The previous prime is 88623539. The next prime is 88623571. The reversal of 88623556 is 65532688.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 49984900 + 38638656 = 7070^2 + 6216^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 225885 + ... + 226276.

Almost surely, 2^88623556 is an apocalyptic number.

It is an amenable number.

88623556 is an abundant number, since it is smaller than the sum of its proper divisors (91789082).

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

88623556 is a wasteful number, since it uses less digits than its factorization.

88623556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452179 (or 452170 counting only the distinct ones).

The product of its digits is 345600, while the sum is 43.

The square root of 88623556 is about 9414.0084979779. The cubic root of 88623556 is about 445.8441343721.

It can be divided in two parts, 886 and 23556, that added together give a palindrome (24442).

The spelling of 88623556 in words is "eighty-eight million, six hundred twenty-three thousand, five hundred fifty-six".