80047518 has 32 divisors (see below), whose sum is σ = 165765120. Its totient is φ = 25742880.

The previous prime is 80047481. The next prime is 80047519. The reversal of 80047518 is 81574008.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80047519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112548 + ... + 113256.

It is an arithmetic number, because the mean of its divisors is an integer number (5180160).

Almost surely, 2^80047518 is an apocalyptic number.

80047518 is an abundant number, since it is smaller than the sum of its proper divisors (85717602).

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

80047518 is a wasteful number, since it uses less digits than its factorization.

80047518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352.

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 80047518 is about 8946.9278526207. The cubic root of 80047518 is about 430.9722331439.

The spelling of 80047518 in words is "eighty million, forty-seven thousand, five hundred eighteen".