79220436480 has 400 divisors, whose sum is σ = 288440136864. Its totient is φ = 20775813120.

The previous prime is 79220436479. The next prime is 79220436499. The reversal of 79220436480 is 8463402297.

79220436480 is a `hidden beast` number, since 7 + 9 + 2 + 204 + 364 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 12645829 + ... + 12652091.

Almost surely, 2^79220436480 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 79220436480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144220068432).

79220436480 is an abundant number, since it is smaller than the sum of its proper divisors (209219700384).

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

79220436480 is an equidigital number, since it uses as much as digits as its factorization.

79220436480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6359 (or 6334 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 79220436480 in words is "seventy-nine billion, two hundred twenty million, four hundred thirty-six thousand, four hundred eighty".