90317545371 has 16 divisors (see below), whose sum is σ = 133827724800. Its totient is φ = 60200917704.

The previous prime is 90317545271. The next prime is 90317545397. The reversal of 90317545371 is 17354571309.

90317545371 is a `hidden beast` number, since 9 + 0 + 31 + 7 + 545 + 3 + 71 = 666.

It is not a de Polignac number, because 90317545371 - 2³³ = 81727610779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90317545271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144351 + ... + 448856.

It is an arithmetic number, because the mean of its divisors is an integer number (8364232800).

Almost surely, 2^90317545371 is an apocalyptic number.

90317545371 is a deficient number, since it is larger than the sum of its proper divisors (43510179429).

90317545371 is a wasteful number, since it uses less digits than its factorization.

90317545371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598855 (or 598849 counting only the distinct ones).

The product of its (nonzero) digits is 396900, while the sum is 45.

The spelling of 90317545371 in words is "ninety billion, three hundred seventeen million, five hundred forty-five thousand, three hundred seventy-one".