80894431 has 2 divisors, whose sum is σ = 80894432. Its totient is φ = 80894430.

The previous prime is 80894417. The next prime is 80894441. The reversal of 80894431 is 13449808.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80894431 - 2⁵ = 80894399 is a prime.

It is a super-2 number, since 2×80894431² = 13087817933627522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80894441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40447215 + 40447216.

It is an arithmetic number, because the mean of its divisors is an integer number (40447216).

Almost surely, 2^80894431 is an apocalyptic number.

80894431 is a deficient number, since it is larger than the sum of its proper divisors (1).

80894431 is an equidigital number, since it uses as much as digits as its factorization.

80894431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 80894431 is about 8994.1331433329. The cubic root of 80894431 is about 432.4868179572.

The spelling of 80894431 in words is "eighty million, eight hundred ninety-four thousand, four hundred thirty-one".