90882387 has 12 divisors (see below), whose sum is σ = 131512680. Its totient is φ = 60478368.

The previous prime is 90882329. The next prime is 90882413. The reversal of 90882387 is 78328809.

It is not a de Polignac number, because 90882387 - 2²³ = 82493779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90882287) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3753 + ... + 13994.

It is an arithmetic number, because the mean of its divisors is an integer number (10959390).

Almost surely, 2^90882387 is an apocalyptic number.

90882387 is a deficient number, since it is larger than the sum of its proper divisors (40630293).

90882387 is a wasteful number, since it uses less digits than its factorization.

90882387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18322 (or 18319 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 90882387 is about 9533.2254247972. The cubic root of 90882387 is about 449.6002820879.

The spelling of 90882387 in words is "ninety million, eight hundred eighty-two thousand, three hundred eighty-seven".