90219372358 has 32 divisors (see below), whose sum is σ = 138629698560. Its totient is φ = 44015596800.

The previous prime is 90219372301. The next prime is 90219372359. The reversal of 90219372358 is 85327391209.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90219372359) 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 15 ways as a sum of consecutive naturals, for example, 85840933 + ... + 85841983.

It is an arithmetic number, because the mean of its divisors is an integer number (4332178080).

Almost surely, 2^90219372358 is an apocalyptic number.

90219372358 is a deficient number, since it is larger than the sum of its proper divisors (48410326202).

90219372358 is a wasteful number, since it uses less digits than its factorization.

90219372358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3012.

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 90219372358 in words is "ninety billion, two hundred nineteen million, three hundred seventy-two thousand, three hundred fifty-eight".