80031967 has 4 divisors (see below), whose sum is σ = 82791720. Its totient is φ = 77272216.

The previous prime is 80031949. The next prime is 80031983. The reversal of 80031967 is 76913008.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80031967 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 (80031997) 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, 1379833 + ... + 1379890.

It is an arithmetic number, because the mean of its divisors is an integer number (20697930).

Almost surely, 2^80031967 is an apocalyptic number.

80031967 is a deficient number, since it is larger than the sum of its proper divisors (2759753).

80031967 is a wasteful number, since it uses less digits than its factorization.

80031967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2759752.

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

The square root of 80031967 is about 8946.0587411441. The cubic root of 80031967 is about 430.9443227084.

The spelling of 80031967 in words is "eighty million, thirty-one thousand, nine hundred sixty-seven".