870880087 has 16 divisors (see below), whose sum is σ = 1107936000. Its totient is φ = 678604920.

The previous prime is 870880079. The next prime is 870880111. The reversal of 870880087 is 780088078.

It is not a de Polignac number, because 870880087 - 2³ = 870880079 is a prime.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870880037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111637 + ... + 119182.

It is an arithmetic number, because the mean of its divisors is an integer number (69246000).

Almost surely, 2^870880087 is an apocalyptic number.

870880087 is a deficient number, since it is larger than the sum of its proper divisors (237055913).

870880087 is a wasteful number, since it uses less digits than its factorization.

870880087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230851 (or 230837 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 46.

The square root of 870880087 is about 29510.6775083189. The cubic root of 870880087 is about 954.9620653225.

The spelling of 870880087 in words is "eight hundred seventy million, eight hundred eighty thousand, eighty-seven".