971796679630 has 32 divisors (see below), whose sum is σ = 2001276642240. Its totient is φ = 332828759040.

The previous prime is 971796679561. The next prime is 971796679661. The reversal of 971796679630 is 36976697179.

It is a Harshad number since it is a multiple of its sum of digits (70).

It is a self number, because there is not a number n which added to its sum of digits gives 971796679630.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7406881 + ... + 7536940.

It is an arithmetic number, because the mean of its divisors is an integer number (62539895070).

Almost surely, 2^971796679630 is an apocalyptic number.

971796679630 is an abundant number, since it is smaller than the sum of its proper divisors (1029479962610).

971796679630 is a wasteful number, since it uses less digits than its factorization.

971796679630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14944764.

The product of its (nonzero) digits is 162030456, while the sum is 70.

The spelling of 971796679630 in words is "nine hundred seventy-one billion, seven hundred ninety-six million, six hundred seventy-nine thousand, six hundred thirty".