870475320 has 384 divisors, whose sum is σ = 3420930240. Its totient is φ = 189112320.

The previous prime is 870475313. The next prime is 870475349. The reversal of 870475320 is 23574078.

870475320 is a `hidden beast` number, since 87 + 0 + 47 + 532 + 0 = 666.

870475320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1904532 + ... + 1904988.

Almost surely, 2^870475320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 870475320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1710465120).

870475320 is an abundant number, since it is smaller than the sum of its proper divisors (2550454920).

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

870475320 is a wasteful number, since it uses less digits than its factorization.

870475320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 870475320 is about 29503.8187358857. The cubic root of 870475320 is about 954.8140935422.

The spelling of 870475320 in words is "eight hundred seventy million, four hundred seventy-five thousand, three hundred twenty".