80768112500 has 72 divisors (see below), whose sum is σ = 179091084312. Its totient is φ = 31864320000.

The previous prime is 80768112461. The next prime is 80768112521. The reversal of 80768112500 is 521186708.

It can be written as a sum of positive squares in 12 ways, for example, as 74946727696 + 5821384804 = 273764^2 + 76298^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 868244 + ... + 956756.

It is an arithmetic number, because the mean of its divisors is an integer number (2487376171).

Almost surely, 2^80768112500 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 80768112500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89545542156).

80768112500 is an abundant number, since it is smaller than the sum of its proper divisors (98322971812).

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

80768112500 is an equidigital number, since it uses as much as digits as its factorization.

80768112500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88615 (or 88593 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 38.

The spelling of 80768112500 in words is "eighty billion, seven hundred sixty-eight million, one hundred twelve thousand, five hundred".