979355520 has 768 divisors, whose sum is σ = 4210315200. Its totient is φ = 206438400.

The previous prime is 979355501. The next prime is 979355521. The reversal of 979355520 is 25553979.

979355520 is a `hidden beast` number, since 9 + 7 + 93 + 5 + 552 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979355521) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23886700 + ... + 23886740.

Almost surely, 2^979355520 is an apocalyptic number.

979355520 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 979355520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2105157600).

979355520 is an abundant number, since it is smaller than the sum of its proper divisors (3230959680).

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

979355520 is a wasteful number, since it uses less digits than its factorization.

979355520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 425250, while the sum is 45.

The square root of 979355520 is about 31294.6564128766. The cubic root of 979355520 is about 993.0706010049.

The spelling of 979355520 in words is "nine hundred seventy-nine million, three hundred fifty-five thousand, five hundred twenty".