88257990 has 32 divisors (see below), whose sum is σ = 213232896. Its totient is φ = 23378400.

The previous prime is 88257979. The next prime is 88258039. The reversal of 88257990 is 9975288.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 5212 + ... + 14271.

It is an arithmetic number, because the mean of its divisors is an integer number (6663528).

Almost surely, 2^88257990 is an apocalyptic number.

88257990 is an abundant number, since it is smaller than the sum of its proper divisors (124974906).

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

88257990 is a wasteful number, since it uses less digits than its factorization.

88257990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19644.

The product of its (nonzero) digits is 362880, while the sum is 48.

The square root of 88257990 is about 9394.5723691928. The cubic root of 88257990 is about 445.2302641989.

The spelling of 88257990 in words is "eighty-eight million, two hundred fifty-seven thousand, nine hundred ninety".