87040875 has 16 divisors (see below), whose sum is σ = 144836640. Its totient is φ = 46421600.

The previous prime is 87040873. The next prime is 87040903. The reversal of 87040875 is 57804078.

It is not a de Polignac number, because 87040875 - 2¹ = 87040873 is a prime.

It is a super-2 number, since 2×87040875² = 15152227841531250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87040873) 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, 115680 + ... + 116429.

It is an arithmetic number, because the mean of its divisors is an integer number (9052290).

Almost surely, 2^87040875 is an apocalyptic number.

87040875 is a deficient number, since it is larger than the sum of its proper divisors (57795765).

87040875 is a wasteful number, since it uses less digits than its factorization.

87040875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232127 (or 232117 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 39.

The square root of 87040875 is about 9329.5699257790. The cubic root of 87040875 is about 443.1741455847.

The spelling of 87040875 in words is "eighty-seven million, forty thousand, eight hundred seventy-five".