80043879 has 4 divisors (see below), whose sum is σ = 106725176. Its totient is φ = 53362584.

The previous prime is 80043869. The next prime is 80043883. The reversal of 80043879 is 97834008.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 80043879 - 2¹² = 80039783 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 (80043869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13340644 + ... + 13340649.

It is an arithmetic number, because the mean of its divisors is an integer number (26681294).

Almost surely, 2^80043879 is an apocalyptic number.

80043879 is a deficient number, since it is larger than the sum of its proper divisors (26681297).

80043879 is a wasteful number, since it uses less digits than its factorization.

80043879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26681296.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 80043879 is about 8946.7244844133. The cubic root of 80043879 is about 430.9657023075.

The spelling of 80043879 in words is "eighty million, forty-three thousand, eight hundred seventy-nine".