87057982 has 32 divisors (see below), whose sum is σ = 148552704. Its totient is φ = 37905600.

The previous prime is 87057961. The next prime is 87057983. The reversal of 87057982 is 28975078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87057983) 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 15 ways as a sum of consecutive naturals, for example, 72378 + ... + 73570.

It is an arithmetic number, because the mean of its divisors is an integer number (4642272).

Almost surely, 2^87057982 is an apocalyptic number.

87057982 is a deficient number, since it is larger than the sum of its proper divisors (61494722).

87057982 is a wasteful number, since it uses less digits than its factorization.

87057982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344.

The product of its (nonzero) digits is 282240, while the sum is 46.

The square root of 87057982 is about 9330.4866968449. The cubic root of 87057982 is about 443.2031774753.

The spelling of 87057982 in words is "eighty-seven million, fifty-seven thousand, nine hundred eighty-two".