87057442 has 32 divisors (see below), whose sum is σ = 142518528. Its totient is φ = 39726336.

The previous prime is 87057433. The next prime is 87057469. The reversal of 87057442 is 24475078.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250713 + ... + 251059.

It is an arithmetic number, because the mean of its divisors is an integer number (4453704).

Almost surely, 2^87057442 is an apocalyptic number.

87057442 is a deficient number, since it is larger than the sum of its proper divisors (55461086).

87057442 is a wasteful number, since it uses less digits than its factorization.

87057442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570.

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 87057442 is about 9330.4577594028. The cubic root of 87057442 is about 443.2022611120.

The spelling of 87057442 in words is "eighty-seven million, fifty-seven thousand, four hundred forty-two".