874978656 has 36 divisors (see below), whose sum is σ = 2297580012. Its totient is φ = 291562944.

The previous prime is 874978651. The next prime is 874978681. The reversal of 874978656 is 656879478.

Its product of digits (20321280) is a multiple of the sum of its prime divisors (3024).

It is a self number, because there is not a number n which added to its sum of digits gives 874978656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874978651) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 288315 + ... + 291333.

It is an arithmetic number, because the mean of its divisors is an integer number (63821667).

Almost surely, 2^874978656 is an apocalyptic number.

It is an amenable number.

874978656 is an abundant number, since it is smaller than the sum of its proper divisors (1422601356).

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

874978656 is an frugal number, since it uses more digits than its factorization.

874978656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6051 (or 3024 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 60.

The square root of 874978656 is about 29580.0381338497. The cubic root of 874978656 is about 956.4578142557.

The spelling of 874978656 in words is "eight hundred seventy-four million, nine hundred seventy-eight thousand, six hundred fifty-six".