80109792 has 144 divisors (see below), whose sum is σ = 264176640. Its totient is φ = 22553856.

The previous prime is 80109781. The next prime is 80109811. The reversal of 80109792 is 29790108.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 159013 + ... + 159515.

It is an arithmetic number, because the mean of its divisors is an integer number (1834560).

Almost surely, 2^80109792 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 80109792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132088320).

80109792 is an abundant number, since it is smaller than the sum of its proper divisors (184066848).

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

80109792 is a wasteful number, since it uses less digits than its factorization.

80109792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605 (or 594 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 80109792 is about 8950.4073650309. The cubic root of 80109792 is about 431.0839643121.

The spelling of 80109792 in words is "eighty million, one hundred nine thousand, seven hundred ninety-two".