108862979 has 16 divisors (see below), whose sum is σ = 119230464. Its totient is φ = 99079200.

The previous prime is 108862969. The next prime is 108863009. The reversal of 108862979 is 979268801.

It is a cyclic number.

It is not a de Polignac number, because 108862979 - 2²⁰ = 107814403 is a prime.

It is a super-2 number, since 2×108862979² = 23702296393508882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (108862909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42242 + ... + 44744.

It is an arithmetic number, because the mean of its divisors is an integer number (7451904).

Almost surely, 2^108862979 is an apocalyptic number.

108862979 is a deficient number, since it is larger than the sum of its proper divisors (10367485).

108862979 is a wasteful number, since it uses less digits than its factorization.

108862979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618.

The product of its (nonzero) digits is 435456, while the sum is 50.

The square root of 108862979 is about 10433.7423295767. The cubic root of 108862979 is about 477.4853722116.

The spelling of 108862979 in words is "one hundred eight million, eight hundred sixty-two thousand, nine hundred seventy-nine".