80057989 has 8 divisors (see below), whose sum is σ = 87671232. Its totient is φ = 72500640.

The previous prime is 80057987. The next prime is 80058059. The reversal of 80057989 is 98975008.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80057989 - 2¹ = 80057987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80057987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10944 + ... + 16729.

It is an arithmetic number, because the mean of its divisors is an integer number (10958904).

Almost surely, 2^80057989 is an apocalyptic number.

It is an amenable number.

80057989 is a deficient number, since it is larger than the sum of its proper divisors (7613243).

80057989 is a wasteful number, since it uses less digits than its factorization.

80057989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27947.

The product of its (nonzero) digits is 181440, while the sum is 46.

The square root of 80057989 is about 8947.5130064169. The cubic root of 80057989 is about 430.9910241221.

The spelling of 80057989 in words is "eighty million, fifty-seven thousand, nine hundred eighty-nine".