80713209192 has 128 divisors (see below), whose sum is σ = 251923875840. Its totient is φ = 20935284480.

The previous prime is 80713209169. The next prime is 80713209193. The reversal of 80713209192 is 29190231708.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (80713209193) 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, 1313458 + ... + 1373534.

It is an arithmetic number, because the mean of its divisors is an integer number (1968155280).

Almost surely, 2^80713209192 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 80713209192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125961937920).

80713209192 is an abundant number, since it is smaller than the sum of its proper divisors (171210666648).

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

80713209192 is a wasteful number, since it uses less digits than its factorization.

80713209192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60831 (or 60827 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The spelling of 80713209192 in words is "eighty billion, seven hundred thirteen million, two hundred nine thousand, one hundred ninety-two".