80938159036 has 72 divisors (see below), whose sum is σ = 172965542400. Its totient is φ = 32999712480.

The previous prime is 80938158989. The next prime is 80938159037. The reversal of 80938159036 is 63095183908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80938159037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 245595 + ... + 471373.

It is an arithmetic number, because the mean of its divisors is an integer number (2402299200).

Almost surely, 2^80938159036 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 80938159036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86482771200).

80938159036 is an abundant number, since it is smaller than the sum of its proper divisors (92027383364).

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

80938159036 is a wasteful number, since it uses less digits than its factorization.

80938159036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225887 (or 225878 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 52.

The spelling of 80938159036 in words is "eighty billion, nine hundred thirty-eight million, one hundred fifty-nine thousand, thirty-six".