88991856 has 60 divisors (see below), whose sum is σ = 249827760. Its totient is φ = 29571840.

The previous prime is 88991827. The next prime is 88991869. The reversal of 88991856 is 65819988.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58141 + ... + 59651.

It is an arithmetic number, because the mean of its divisors is an integer number (4163796).

Almost surely, 2^88991856 is an apocalyptic number.

It is an amenable number.

88991856 is an abundant number, since it is smaller than the sum of its proper divisors (160835904).

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

88991856 is a wasteful number, since it uses less digits than its factorization.

88991856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934 (or 1925 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 54.

The square root of 88991856 is about 9433.5494910452. The cubic root of 88991856 is about 446.4608908344.

The spelling of 88991856 in words is "eighty-eight million, nine hundred ninety-one thousand, eight hundred fifty-six".