79523660736 has 448 divisors, whose sum is σ = 260299768960. Its totient is φ = 23648993280.

The previous prime is 79523660731. The next prime is 79523660753. The reversal of 79523660736 is 63706632597.

79523660736 is a `hidden beast` number, since 7 + 9 + 5 + 23 + 6 + 607 + 3 + 6 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79523660731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 200311290 + ... + 200311686.

It is an arithmetic number, because the mean of its divisors is an integer number (581026270).

Almost surely, 2^79523660736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79523660736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130149884480).

79523660736 is an abundant number, since it is smaller than the sum of its proper divisors (180776108224).

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

79523660736 is a wasteful number, since it uses less digits than its factorization.

79523660736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 8573040, while the sum is 54.

The spelling of 79523660736 in words is "seventy-nine billion, five hundred twenty-three million, six hundred sixty thousand, seven hundred thirty-six".