90875223884 has 24 divisors (see below), whose sum is σ = 163767775248. Its totient is φ = 44091017280.

The previous prime is 90875223883. The next prime is 90875223911. The reversal of 90875223884 is 48832257809.

90875223884 = 106577² + 106578² + ... + 106584².

It is not an unprimeable number, because it can be changed into a prime (90875223883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 767882 + ... + 878289.

It is an arithmetic number, because the mean of its divisors is an integer number (6823657302).

Almost surely, 2^90875223884 is an apocalyptic number.

It is an amenable number.

90875223884 is a deficient number, since it is larger than the sum of its proper divisors (72892551364).

90875223884 is a wasteful number, since it uses less digits than its factorization.

90875223884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646585 (or 1646583 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 56.

The spelling of 90875223884 in words is "ninety billion, eight hundred seventy-five million, two hundred twenty-three thousand, eight hundred eighty-four".