80013967 has 4 divisors (see below), whose sum is σ = 87287976. Its totient is φ = 72739960.

The previous prime is 80013893. The next prime is 80013977. The reversal of 80013967 is 76931008.

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

It is a cyclic number.

It is not a de Polignac number, because 80013967 - 2¹⁵ = 79981199 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 (80013977) 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, 3636988 + ... + 3637009.

It is an arithmetic number, because the mean of its divisors is an integer number (21821994).

Almost surely, 2^80013967 is an apocalyptic number.

80013967 is a deficient number, since it is larger than the sum of its proper divisors (7274009).

80013967 is a wasteful number, since it uses less digits than its factorization.

80013967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7274008.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 80013967 is about 8945.0526549596. The cubic root of 80013967 is about 430.9120123716.

The spelling of 80013967 in words is "eighty million, thirteen thousand, nine hundred sixty-seven".