80375993880 has 512 divisors, whose sum is σ = 321569740800. Its totient is φ = 15588163584.

The previous prime is 80375993869. The next prime is 80375993941. The reversal of 80375993880 is 8839957308.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7977486 + ... + 7987554.

It is an arithmetic number, because the mean of its divisors is an integer number (628065900).

Almost surely, 2^80375993880 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 80375993880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160784870400).

80375993880 is an abundant number, since it is smaller than the sum of its proper divisors (241193746920).

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

80375993880 is a wasteful number, since it uses less digits than its factorization.

80375993880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10163 (or 10159 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 60.

The spelling of 80375993880 in words is "eighty billion, three hundred seventy-five million, nine hundred ninety-three thousand, eight hundred eighty".