80960728512 has 112 divisors (see below), whose sum is σ = 218712775680. Its totient is φ = 26425233408.

The previous prime is 80960728507. The next prime is 80960728529. The reversal of 80960728512 is 21582706908.

It is a super-2 number, since 2×80960728512² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1778289 + ... + 1823247.

It is an arithmetic number, because the mean of its divisors is an integer number (1952792640).

Almost surely, 2^80960728512 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 80960728512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109356387840).

80960728512 is an abundant number, since it is smaller than the sum of its proper divisors (137752047168).

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

80960728512 is a wasteful number, since it uses less digits than its factorization.

80960728512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45170 (or 45160 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 80960728512 in words is "eighty billion, nine hundred sixty million, seven hundred twenty-eight thousand, five hundred twelve".