979581142 has 8 divisors (see below), whose sum is σ = 1509084576. Its totient is φ = 476552952.

The previous prime is 979581137. The next prime is 979581167. The reversal of 979581142 is 241185979.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 979581092 and 979581101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6618718 + ... + 6618865.

It is an arithmetic number, because the mean of its divisors is an integer number (188635572).

Almost surely, 2^979581142 is an apocalyptic number.

979581142 is a deficient number, since it is larger than the sum of its proper divisors (529503434).

979581142 is a wasteful number, since it uses less digits than its factorization.

979581142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13237622.

The product of its digits is 181440, while the sum is 46.

The square root of 979581142 is about 31298.2610060048. The cubic root of 979581142 is about 993.1468557005.

The spelling of 979581142 in words is "nine hundred seventy-nine million, five hundred eighty-one thousand, one hundred forty-two".