80047790 has 16 divisors (see below), whose sum is σ = 144651312. Its totient is φ = 31893504.

The previous prime is 80047771. The next prime is 80047813. The reversal of 80047790 is 9774008.

It is a self number, because there is not a number n which added to its sum of digits gives 80047790.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13004 + ... + 18143.

It is an arithmetic number, because the mean of its divisors is an integer number (9040707).

Almost surely, 2^80047790 is an apocalyptic number.

80047790 is a deficient number, since it is larger than the sum of its proper divisors (64603522).

80047790 is a wasteful number, since it uses less digits than its factorization.

80047790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31411.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 80047790 is about 8946.9430533563. The cubic root of 80047790 is about 430.9727212886.

The spelling of 80047790 in words is "eighty million, forty-seven thousand, seven hundred ninety".