879860142 has 24 divisors (see below), whose sum is σ = 2178701616. Its totient is φ = 251388576.

The previous prime is 879860129. The next prime is 879860161. The reversal of 879860142 is 241068978.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3491383 + ... + 3491634.

It is an arithmetic number, because the mean of its divisors is an integer number (90779234).

Almost surely, 2^879860142 is an apocalyptic number.

879860142 is an abundant number, since it is smaller than the sum of its proper divisors (1298841474).

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

879860142 is a wasteful number, since it uses less digits than its factorization.

879860142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6983032 (or 6983029 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 879860142 is about 29662.4365486047. The cubic root of 879860142 is about 958.2332021776.

The spelling of 879860142 in words is "eight hundred seventy-nine million, eight hundred sixty thousand, one hundred forty-two".