79690803280 has 320 divisors, whose sum is σ = 210802507776. Its totient is φ = 28003852800.

The previous prime is 79690803251. The next prime is 79690803293. The reversal of 79690803280 is 8230809697.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 627486577 + ... + 627486703.

Almost surely, 2^79690803280 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 79690803280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105401253888).

79690803280 is an abundant number, since it is smaller than the sum of its proper divisors (131111704496).

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

79690803280 is a wasteful number, since it uses less digits than its factorization.

79690803280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 79690803280 in words is "seventy-nine billion, six hundred ninety million, eight hundred three thousand, two hundred eighty".