80039091 has 16 divisors (see below), whose sum is σ = 116638848. Its totient is φ = 48417600.

The previous prime is 80039051. The next prime is 80039107. The reversal of 80039091 is 19093008.

It is a happy number.

It is not a de Polignac number, because 80039091 - 2¹⁸ = 79776947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80039041) 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 15 ways as a sum of consecutive naturals, for example, 18396 + ... + 22326.

It is an arithmetic number, because the mean of its divisors is an integer number (7289928).

Almost surely, 2^80039091 is an apocalyptic number.

80039091 is a deficient number, since it is larger than the sum of its proper divisors (36599757).

80039091 is a wasteful number, since it uses less digits than its factorization.

80039091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4562.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 80039091 is about 8946.4568964479. The cubic root of 80039091 is about 430.9571090836.

The spelling of 80039091 in words is "eighty million, thirty-nine thousand, ninety-one".