79651836480 has 224 divisors, whose sum is σ = 274794024960. Its totient is φ = 19473315840.

The previous prime is 79651836443. The next prime is 79651836541. The reversal of 79651836480 is 8463815697.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a self number, because there is not a number n which added to its sum of digits gives 79651836480.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 495007 + ... + 635873.

It is an arithmetic number, because the mean of its divisors is an integer number (1226759040).

Almost surely, 2^79651836480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79651836480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137397012480).

79651836480 is an abundant number, since it is smaller than the sum of its proper divisors (195142188480).

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

79651836480 is a wasteful number, since it uses less digits than its factorization.

79651836480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140937 (or 140927 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 57.

The spelling of 79651836480 in words is "seventy-nine billion, six hundred fifty-one million, eight hundred thirty-six thousand, four hundred eighty".