979907616 has 144 divisors (see below), whose sum is σ = 2854785024. Its totient is φ = 318753792.

The previous prime is 979907603. The next prime is 979907627. The reversal of 979907616 is 616709979.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2669865 + ... + 2670231.

It is an arithmetic number, because the mean of its divisors is an integer number (19824896).

Almost surely, 2^979907616 is an apocalyptic number.

979907616 is a gapful number since it is divisible by the number (96) 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 979907616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1427392512).

979907616 is an abundant number, since it is smaller than the sum of its proper divisors (1874877408).

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

979907616 is a wasteful number, since it uses less digits than its factorization.

979907616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583 (or 572 counting only the distinct ones).

The product of its (nonzero) digits is 1285956, while the sum is 54.

The square root of 979907616 is about 31303.4761009061. The cubic root of 979907616 is about 993.2571751690.

The spelling of 979907616 in words is "nine hundred seventy-nine million, nine hundred seven thousand, six hundred sixteen".