979408361688 has 32 divisors (see below), whose sum is σ = 2448652293360. Its totient is φ = 326451935360.

The previous prime is 979408361677. The next prime is 979408361717. The reversal of 979408361688 is 886163804979.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 634383 + ... + 1536638.

Almost surely, 2^979408361688 is an apocalyptic number.

It is an amenable number.

979408361688 is an abundant number, since it is smaller than the sum of its proper divisors (1469243931672).

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

979408361688 is a wasteful number, since it uses less digits than its factorization.

979408361688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189827 (or 2189823 counting only the distinct ones).

The product of its (nonzero) digits is 125411328, while the sum is 69.

The spelling of 979408361688 in words is "nine hundred seventy-nine billion, four hundred eight million, three hundred sixty-one thousand, six hundred eighty-eight".