979688850 has 144 divisors (see below), whose sum is σ = 2896127136. Its totient is φ = 218400000.

The previous prime is 979688803. The next prime is 979688873. The reversal of 979688850 is 58886979.

It is a happy number.

It is a Curzon number.

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, 299725 + ... + 302975.

It is an arithmetic number, because the mean of its divisors is an integer number (20111994).

Almost surely, 2^979688850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 979688850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1448063568).

979688850 is an abundant number, since it is smaller than the sum of its proper divisors (1916438286).

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

979688850 is a wasteful number, since it uses less digits than its factorization.

979688850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3321 (or 3309 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 60.

The square root of 979688850 is about 31299.9816293876. The cubic root of 979688850 is about 993.1832542307.

The spelling of 979688850 in words is "nine hundred seventy-nine million, six hundred eighty-eight thousand, eight hundred fifty".