80239036 has 24 divisors (see below), whose sum is σ = 146800640. Its totient is φ = 38329200.

The previous prime is 80239021. The next prime is 80239037. The reversal of 80239036 is 63093208.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 80238989 and 80239007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80239037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5701 + ... + 13891.

Almost surely, 2^80239036 is an apocalyptic number.

It is an amenable number.

80239036 is a deficient number, since it is larger than the sum of its proper divisors (66561604).

80239036 is a wasteful number, since it uses less digits than its factorization.

80239036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8305 (or 8303 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 80239036 is about 8957.6244618760. The cubic root of 80239036 is about 431.3156674909.

The spelling of 80239036 in words is "eighty million, two hundred thirty-nine thousand, thirty-six".