979124475840 has 672 divisors, whose sum is σ = 3770210188800. Its totient is φ = 214394019840.

The previous prime is 979124475799. The next prime is 979124475859. The reversal of 979124475840 is 48574421979.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 178702221 + ... + 178707699.

Almost surely, 2^979124475840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 979124475840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1885105094400).

979124475840 is an abundant number, since it is smaller than the sum of its proper divisors (2791085712960).

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

979124475840 is a wasteful number, since it uses less digits than its factorization.

979124475840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5673 (or 5656 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 60.

The spelling of 979124475840 in words is "nine hundred seventy-nine billion, one hundred twenty-four million, four hundred seventy-five thousand, eight hundred forty".