979551395808 has 48 divisors (see below), whose sum is σ = 2571511178880. Its totient is φ = 326493161856.

The previous prime is 979551395791. The next prime is 979551395827. The reversal of 979551395808 is 808593155979.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 964791 + ... + 1699977.

It is an arithmetic number, because the mean of its divisors is an integer number (53573149560).

Almost surely, 2^979551395808 is an apocalyptic number.

It is an amenable number.

979551395808 is an abundant number, since it is smaller than the sum of its proper divisors (1591959783072).

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

979551395808 is a wasteful number, since it uses less digits than its factorization.

979551395808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749079 (or 749071 counting only the distinct ones).

The product of its (nonzero) digits is 122472000, while the sum is 69.

The spelling of 979551395808 in words is "nine hundred seventy-nine billion, five hundred fifty-one million, three hundred ninety-five thousand, eight hundred eight".