879640652 has 12 divisors (see below), whose sum is σ = 1679314056. Its totient is φ = 399836640.

The previous prime is 879640651. The next prime is 879640711. The reversal of 879640652 is 256046978.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 879640597 and 879640606.

It is not an unprimeable number, because it can be changed into a prime (879640651) 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, 9995873 + ... + 9995960.

It is an arithmetic number, because the mean of its divisors is an integer number (139942838).

Almost surely, 2^879640652 is an apocalyptic number.

It is an amenable number.

879640652 is a deficient number, since it is larger than the sum of its proper divisors (799673404).

879640652 is a wasteful number, since it uses less digits than its factorization.

879640652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19991848 (or 19991846 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 879640652 is about 29658.7365206274. The cubic root of 879640652 is about 958.1535152338.

The spelling of 879640652 in words is "eight hundred seventy-nine million, six hundred forty thousand, six hundred fifty-two".