88861518 has 24 divisors (see below), whose sum is σ = 202667400. Its totient is φ = 28061424.

The previous prime is 88861471. The next prime is 88861523. The reversal of 88861518 is 81516888.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129573 + ... + 130256.

It is an arithmetic number, because the mean of its divisors is an integer number (8444475).

Almost surely, 2^88861518 is an apocalyptic number.

88861518 is an abundant number, since it is smaller than the sum of its proper divisors (113805882).

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

88861518 is a wasteful number, since it uses less digits than its factorization.

88861518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259856 (or 259853 counting only the distinct ones).

The product of its digits is 122880, while the sum is 45.

The square root of 88861518 is about 9426.6387434759. The cubic root of 88861518 is about 446.2428212484.

It can be divided in two parts, 8886 and 1518, that added together give a square (10404 = 102²).

The spelling of 88861518 in words is "eighty-eight million, eight hundred sixty-one thousand, five hundred eighteen".