870979552 has 24 divisors (see below), whose sum is σ = 1723457736. Its totient is φ = 433276032.

The previous prime is 870979541. The next prime is 870979553. The reversal of 870979552 is 255979078.

It is a self number, because there is not a number n which added to its sum of digits gives 870979552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870979553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62778 + ... + 75385.

It is an arithmetic number, because the mean of its divisors is an integer number (71810739).

Almost surely, 2^870979552 is an apocalyptic number.

It is an amenable number.

870979552 is a deficient number, since it is larger than the sum of its proper divisors (852478184).

870979552 is a wasteful number, since it uses less digits than its factorization.

870979552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138370 (or 138362 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 52.

The square root of 870979552 is about 29512.3626976899. The cubic root of 870979552 is about 954.9984199968.

The spelling of 870979552 in words is "eight hundred seventy million, nine hundred seventy-nine thousand, five hundred fifty-two".