979036650 has 144 divisors (see below), whose sum is σ = 2728587264. Its totient is φ = 251475840.

The previous prime is 979036621. The next prime is 979036673. The reversal of 979036650 is 56630979.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 979036596 and 979036605.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2114319 + ... + 2114781.

Almost surely, 2^979036650 is an apocalyptic number.

979036650 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 979036650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1364293632).

979036650 is an abundant number, since it is smaller than the sum of its proper divisors (1749550614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

979036650 is a wasteful number, since it uses less digits than its factorization.

979036650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 45.

The square root of 979036650 is about 31289.5613583828. The cubic root of 979036650 is about 992.9628108001.

The spelling of 979036650 in words is "nine hundred seventy-nine million, thirty-six thousand, six hundred fifty".