870565696 has 224 divisors, whose sum is σ = 2359590912. Its totient is φ = 307722240.

The previous prime is 870565687. The next prime is 870565721. The reversal of 870565696 is 696565078.

870565696 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6854785 + ... + 6854911.

It is an arithmetic number, because the mean of its divisors is an integer number (10533888).

Almost surely, 2^870565696 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 870565696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1179795456).

870565696 is an abundant number, since it is smaller than the sum of its proper divisors (1489025216).

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

870565696 is a wasteful number, since it uses less digits than its factorization.

870565696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 52.

The square root of 870565696 is about 29505.3502944805. The cubic root of 870565696 is about 954.8471365209.

The spelling of 870565696 in words is "eight hundred seventy million, five hundred sixty-five thousand, six hundred ninety-six".