80889331 has 2 divisors, whose sum is σ = 80889332. Its totient is φ = 80889330.

The previous prime is 80889307. The next prime is 80889337. The reversal of 80889331 is 13398808.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80889331 - 2¹⁵ = 80856563 is a prime.

It is a super-2 number, since 2×80889331² = 13086167739255122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80889337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40444665 + 40444666.

It is an arithmetic number, because the mean of its divisors is an integer number (40444666).

Almost surely, 2^80889331 is an apocalyptic number.

80889331 is a deficient number, since it is larger than the sum of its proper divisors (1).

80889331 is an equidigital number, since it uses as much as digits as its factorization.

80889331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 80889331 is about 8993.8496207130. The cubic root of 80889331 is about 432.4777290369.

The spelling of 80889331 in words is "eighty million, eight hundred eighty-nine thousand, three hundred thirty-one".