79419907536 has 40 divisors (see below), whose sum is σ = 205371557760. Its totient is φ = 26447049216.

The previous prime is 79419907507. The next prime is 79419907543. The reversal of 79419907536 is 63570991497.

It is a self number, because there is not a number n which added to its sum of digits gives 79419907536.

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, 771480 + ... + 868343.

It is an arithmetic number, because the mean of its divisors is an integer number (5134288944).

Almost surely, 2^79419907536 is an apocalyptic number.

It is an amenable number.

79419907536 is an abundant number, since it is smaller than the sum of its proper divisors (125951650224).

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

79419907536 is a wasteful number, since it uses less digits than its factorization.

79419907536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640843 (or 1640837 counting only the distinct ones).

The product of its (nonzero) digits is 12859560, while the sum is 60.

The spelling of 79419907536 in words is "seventy-nine billion, four hundred nineteen million, nine hundred seven thousand, five hundred thirty-six".