80039895 has 16 divisors (see below), whose sum is σ = 137915232. Its totient is φ = 39404160.

The previous prime is 80039891. The next prime is 80039909. The reversal of 80039895 is 59893008.

It is not a de Polignac number, because 80039895 - 2² = 80039891 is a prime.

It is a super-2 number, since 2×80039895² = 12812769583222050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80039891) 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, 205036 + ... + 205425.

It is an arithmetic number, because the mean of its divisors is an integer number (8619702).

Almost surely, 2^80039895 is an apocalyptic number.

80039895 is a deficient number, since it is larger than the sum of its proper divisors (57875337).

80039895 is a wasteful number, since it uses less digits than its factorization.

80039895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410482.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 80039895 is about 8946.5018303245. The cubic root of 80039895 is about 430.9585520800.

The spelling of 80039895 in words is "eighty million, thirty-nine thousand, eight hundred ninety-five".