870137880 has 64 divisors (see below), whose sum is σ = 2680979040. Its totient is φ = 225764352.

The previous prime is 870137869. The next prime is 870137897. The reversal of 870137880 is 88731078.

It is a congruent number.

It is an unprimeable number.

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, 93549 + ... + 102428.

Almost surely, 2^870137880 is an apocalyptic number.

It is an amenable number.

870137880 is an abundant number, since it is smaller than the sum of its proper divisors (1810841160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

870137880 is a wasteful number, since it uses less digits than its factorization.

870137880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196028 (or 196024 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 42.

The square root of 870137880 is about 29498.0995998047. The cubic root of 870137880 is about 954.6906996133.

The spelling of 870137880 in words is "eight hundred seventy million, one hundred thirty-seven thousand, eight hundred eighty".