79053539994 has 288 divisors, whose sum is σ = 211124107584. Its totient is φ = 21171870720.

The previous prime is 79053539977. The next prime is 79053540019. The reversal of 79053539994 is 49993535097.

79053539994 is a `hidden beast` number, since 7 + 9 + 0 + 5 + 3 + 539 + 9 + 94 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 82951822 + ... + 82952774.

It is an arithmetic number, because the mean of its divisors is an integer number (733069818).

Almost surely, 2^79053539994 is an apocalyptic number.

79053539994 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 79053539994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105562053792).

79053539994 is an abundant number, since it is smaller than the sum of its proper divisors (132070567590).

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

79053539994 is a wasteful number, since it uses less digits than its factorization.

79053539994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102 (or 1086 counting only the distinct ones).

The product of its (nonzero) digits is 41334300, while the sum is 63.

The spelling of 79053539994 in words is "seventy-nine billion, fifty-three million, five hundred thirty-nine thousand, nine hundred ninety-four".