979550144 has 28 divisors (see below), whose sum is σ = 1946300400. Its totient is φ = 489143808.

The previous prime is 979550129. The next prime is 979550167. The reversal of 979550144 is 441055979.

It is a super-2 number, since 2×979550144² = 1919036969220841472, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 979550095 and 979550104.

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, 42317 + ... + 61235.

Almost surely, 2^979550144 is an apocalyptic number.

It is an amenable number.

979550144 is a deficient number, since it is larger than the sum of its proper divisors (966750256).

979550144 is a wasteful number, since it uses less digits than its factorization.

979550144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19740 (or 19730 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 44.

The square root of 979550144 is about 31297.7657988554. The cubic root of 979550144 is about 993.1363798316.

The spelling of 979550144 in words is "nine hundred seventy-nine million, five hundred fifty thousand, one hundred forty-four".