79099754580 has 720 divisors, whose sum is σ = 330144933888. Its totient is φ = 15464908800.

The previous prime is 79099754579. The next prime is 79099754603. The reversal of 79099754580 is 8545799097.

79099754580 is a `hidden beast` number, since 7 + 9 + 0 + 9 + 9 + 7 + 545 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 23324685 + ... + 23328075.

Almost surely, 2^79099754580 is an apocalyptic number.

79099754580 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79099754580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165072466944).

79099754580 is an abundant number, since it is smaller than the sum of its proper divisors (251045179308).

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

79099754580 is a wasteful number, since it uses less digits than its factorization.

79099754580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3458 (or 3436 counting only the distinct ones).

The product of its (nonzero) digits is 28576800, while the sum is 63.

The spelling of 79099754580 in words is "seventy-nine billion, ninety-nine million, seven hundred fifty-four thousand, five hundred eighty".