879664492 has 24 divisors (see below), whose sum is σ = 1806880544. Its totient is φ = 366809472.

The previous prime is 879664481. The next prime is 879664493. The reversal of 879664492 is 294466978.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (879664493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423513 + ... + 425584.

Almost surely, 2^879664492 is an apocalyptic number.

It is an amenable number.

879664492 is an abundant number, since it is smaller than the sum of its proper divisors (927216052).

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

879664492 is a wasteful number, since it uses less digits than its factorization.

879664492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849145 (or 849143 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 55.

The square root of 879664492 is about 29659.1384230898. The cubic root of 879664492 is about 958.1621711068.

The spelling of 879664492 in words is "eight hundred seventy-nine million, six hundred sixty-four thousand, four hundred ninety-two".