979239229155 has 48 divisors (see below), whose sum is σ = 1851741305856. Its totient is φ = 474759850560.

The previous prime is 979239229139. The next prime is 979239229193. The reversal of 979239229155 is 551922932979.

979239229155 is a `hidden beast` number, since 9 + 7 + 92 + 392 + 2 + 9 + 155 = 666.

It is not a de Polignac number, because 979239229155 - 2⁴ = 979239229139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 979239229092 and 979239229101.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15215374 + ... + 15279596.

It is an arithmetic number, because the mean of its divisors is an integer number (38577943872).

Almost surely, 2^979239229155 is an apocalyptic number.

979239229155 is a deficient number, since it is larger than the sum of its proper divisors (872502076701).

979239229155 is a wasteful number, since it uses less digits than its factorization.

979239229155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95048 (or 95045 counting only the distinct ones).

The product of its digits is 27556200, while the sum is 63.

The spelling of 979239229155 in words is "nine hundred seventy-nine billion, two hundred thirty-nine million, two hundred twenty-nine thousand, one hundred fifty-five".