79637826240 has 588 divisors, whose sum is σ = 330794386416. Its totient is φ = 18200318976.

The previous prime is 79637826179. The next prime is 79637826269. The reversal of 79637826240 is 4262873697.

79637826240 is a `hidden beast` number, since 7 + 9 + 6 + 3 + 7 + 8 + 2 + 624 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (588).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 11427237 + ... + 11434203.

Almost surely, 2^79637826240 is an apocalyptic number.

79637826240 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 79637826240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165397193208).

79637826240 is an abundant number, since it is smaller than the sum of its proper divisors (251156560176).

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

79637826240 is an equidigital number, since it uses as much as digits as its factorization.

79637826240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7016 (or 6984 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The spelling of 79637826240 in words is "seventy-nine billion, six hundred thirty-seven million, eight hundred twenty-six thousand, two hundred forty".