88323607851990 has 64 divisors (see below), whose sum is σ = 252792040375296. Its totient is φ = 19310503082112.

The previous prime is 88323607851977. The next prime is 88323607852049. The reversal of 88323607851990 is 9915870632388.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9143225797 + ... + 9143235456.

It is an arithmetic number, because the mean of its divisors is an integer number (3949875630864).

Almost surely, 2^{88323607851990} is an apocalyptic number.

88323607851990 is an abundant number, since it is smaller than the sum of its proper divisors (164468432523306).

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

88323607851990 is a wasteful number, since it uses less digits than its factorization.

88323607851990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18286461293.

The product of its (nonzero) digits is 156764160, while the sum is 69.

The spelling of 88323607851990 in words is "eighty-eight trillion, three hundred twenty-three billion, six hundred seven million, eight hundred fifty-one thousand, nine hundred ninety".