979825950 has 96 divisors (see below), whose sum is σ = 2762918400. Its totient is φ = 255195360.

The previous prime is 979825933. The next prime is 979826017. The reversal of 979825950 is 59528979.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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, 49611 + ... + 66489.

It is an arithmetic number, because the mean of its divisors is an integer number (28780400).

Almost surely, 2^979825950 is an apocalyptic number.

979825950 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 979825950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1381459200).

979825950 is an abundant number, since it is smaller than the sum of its proper divisors (1783092450).

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

979825950 is a wasteful number, since it uses less digits than its factorization.

979825950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16943 (or 16932 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 54.

The square root of 979825950 is about 31302.1716499031. The cubic root of 979825950 is about 993.2295815494.

The spelling of 979825950 in words is "nine hundred seventy-nine million, eight hundred twenty-five thousand, nine hundred fifty".