80023989 has 16 divisors (see below), whose sum is σ = 112707584. Its totient is φ = 50425200.

The previous prime is 80023967. The next prime is 80023997. The reversal of 80023989 is 98932008.

It is not a de Polignac number, because 80023989 - 2⁸ = 80023733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80023189) 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, 6007 + ... + 14004.

It is an arithmetic number, because the mean of its divisors is an integer number (7044224).

Almost surely, 2^80023989 is an apocalyptic number.

It is an amenable number.

80023989 is a deficient number, since it is larger than the sum of its proper divisors (32683595).

80023989 is a wasteful number, since it uses less digits than its factorization.

80023989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20088.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 80023989 is about 8945.6128353512. The cubic root of 80023989 is about 430.9300026470.

The spelling of 80023989 in words is "eighty million, twenty-three thousand, nine hundred eighty-nine".