87057685 has 24 divisors (see below), whose sum is σ = 123674040. Its totient is φ = 58439040.

The previous prime is 87057679. The next prime is 87057689. The reversal of 87057685 is 58675078.

It can be written as a sum of positive squares in 4 ways, for example, as 1069156 + 85988529 = 1034^2 + 9273^2 .

It is not a de Polignac number, because 87057685 - 2¹⁷ = 86926613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87057689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2331 + ... + 13399.

It is an arithmetic number, because the mean of its divisors is an integer number (5153085).

Almost surely, 2^87057685 is an apocalyptic number.

It is an amenable number.

87057685 is a deficient number, since it is larger than the sum of its proper divisors (36616355).

87057685 is a wasteful number, since it uses less digits than its factorization.

87057685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11109 (or 11098 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 46.

The square root of 87057685 is about 9330.4707812629. The cubic root of 87057685 is about 443.2026734760.

The spelling of 87057685 in words is "eighty-seven million, fifty-seven thousand, six hundred eighty-five".