80791744 has 28 divisors (see below), whose sum is σ = 174897288. Its totient is φ = 36723200.

The previous prime is 80791721. The next prime is 80791751. The reversal of 80791744 is 44719708.

It is a junction number, because it is equal to n+sod(n) for n = 80791697 and 80791706.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56677 + ... + 58084.

Almost surely, 2^80791744 is an apocalyptic number.

It is an amenable number.

80791744 is an abundant number, since it is smaller than the sum of its proper divisors (94105544).

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

80791744 is a wasteful number, since it uses less digits than its factorization.

80791744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114784 (or 114774 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 80791744 is about 8988.4227759936. The cubic root of 80791744 is about 432.3037415773.

Subtracting from 80791744 its reverse (44719708), we obtain a square (36072036 = 6006²).

The spelling of 80791744 in words is "eighty million, seven hundred ninety-one thousand, seven hundred forty-four".