80746868736 has 416 divisors, whose sum is σ = 262203739200. Its totient is φ = 24442306560.

The previous prime is 80746868693. The next prime is 80746868737. The reversal of 80746868736 is 63786864708.

80746868736 is a `hidden beast` number, since 80 + 7 + 468 + 68 + 7 + 36 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80746868737) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54521116 + ... + 54522596.

It is an arithmetic number, because the mean of its divisors is an integer number (630297450).

Almost surely, 2^80746868736 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 80746868736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131101869600).

80746868736 is an abundant number, since it is smaller than the sum of its proper divisors (181456870464).

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

80746868736 is a wasteful number, since it uses less digits than its factorization.

80746868736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560 (or 1532 counting only the distinct ones).

The product of its (nonzero) digits is 65028096, while the sum is 63.

The spelling of 80746868736 in words is "eighty billion, seven hundred forty-six million, eight hundred sixty-eight thousand, seven hundred thirty-six".