870687408 has 40 divisors (see below), whose sum is σ = 2297138688. Its totient is φ = 284053312.

The previous prime is 870687403. The next prime is 870687457. The reversal of 870687408 is 804786078.

870687408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (870687403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190716 + ... + 195227.

Almost surely, 2^870687408 is an apocalyptic number.

It is an amenable number.

870687408 is an abundant number, since it is smaller than the sum of its proper divisors (1426451280).

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

870687408 is a wasteful number, since it uses less digits than its factorization.

870687408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386001 (or 385995 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 48.

The square root of 870687408 is about 29507.4127635752. The cubic root of 870687408 is about 954.8916328523.

The spelling of 870687408 in words is "eight hundred seventy million, six hundred eighty-seven thousand, four hundred eight".