879212542 has 16 divisors (see below), whose sum is σ = 1421284032. Its totient is φ = 405499680.

The previous prime is 879212539. The next prime is 879212563. The reversal of 879212542 is 245212978.

It is a junction number, because it is equal to n+sod(n) for n = 879212495 and 879212504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27292 + ... + 50032.

It is an arithmetic number, because the mean of its divisors is an integer number (88830252).

Almost surely, 2^879212542 is an apocalyptic number.

879212542 is a deficient number, since it is larger than the sum of its proper divisors (542071490).

879212542 is a wasteful number, since it uses less digits than its factorization.

879212542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24243.

The product of its digits is 80640, while the sum is 40.

The square root of 879212542 is about 29651.5183759618. The cubic root of 879212542 is about 957.9980496036.

The spelling of 879212542 in words is "eight hundred seventy-nine million, two hundred twelve thousand, five hundred forty-two".