79815278592 has 576 divisors, whose sum is σ = 281840345280. Its totient is φ = 21280849920.

The previous prime is 79815278573. The next prime is 79815278593. The reversal of 79815278592 is 29587251897.

79815278592 is a `hidden beast` number, since 7 + 9 + 8 + 15 + 27 + 8 + 592 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

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

It is not an unprimeable number, because it can be changed into a prime (79815278593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1946714092 + ... + 1946714132.

It is an arithmetic number, because the mean of its divisors is an integer number (489306155).

Almost surely, 2^79815278592 is an apocalyptic number.

79815278592 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 79815278592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140920172640).

79815278592 is an abundant number, since it is smaller than the sum of its proper divisors (202025066688).

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

79815278592 is an equidigital number, since it uses as much as digits as its factorization.

79815278592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 76 counting only the distinct ones).

The product of its digits is 25401600, while the sum is 63.

The spelling of 79815278592 in words is "seventy-nine billion, eight hundred fifteen million, two hundred seventy-eight thousand, five hundred ninety-two".