79986147950592 has 640 divisors, whose sum is σ = 258704369043120. Its totient is φ = 24481565245440.

The previous prime is 79986147950587. The next prime is 79986147950651. The reversal of 79986147950592 is 29505974168997.

79986147950592 is a `hidden beast` number, since 7 + 9 + 9 + 8 + 6 + 1 + 479 + 50 + 5 + 92 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

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, 6659401867 + ... + 6659413877.

Almost surely, 2^{79986147950592} is an apocalyptic number.

79986147950592 is a gapful number since it is divisible by the number (72) 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 79986147950592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129352184521560).

79986147950592 is an abundant number, since it is smaller than the sum of its proper divisors (178718221092528).

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

79986147950592 is a wasteful number, since it uses less digits than its factorization.

79986147950592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12259 (or 12222 counting only the distinct ones).

The product of its (nonzero) digits is 3086294400, while the sum is 81.

The spelling of 79986147950592 in words is "seventy-nine trillion, nine hundred eighty-six billion, one hundred forty-seven million, nine hundred fifty thousand, five hundred ninety-two".