879025642 has 16 divisors (see below), whose sum is σ = 1438899264. Its totient is φ = 399420000.

The previous prime is 879025621. The next prime is 879025657. The reversal of 879025642 is 246520978.

It is an unprimeable number.

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, 87667 + ... + 97177.

It is an arithmetic number, because the mean of its divisors is an integer number (89931204).

Almost surely, 2^879025642 is an apocalyptic number.

879025642 is a deficient number, since it is larger than the sum of its proper divisors (559873622).

879025642 is a wasteful number, since it uses less digits than its factorization.

879025642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13725.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 879025642 is about 29648.3665991906. The cubic root of 879025642 is about 957.9301621415.

The spelling of 879025642 in words is "eight hundred seventy-nine million, twenty-five thousand, six hundred forty-two".