80942887 has 2 divisors, whose sum is σ = 80942888. Its totient is φ = 80942886.

The previous prime is 80942861. The next prime is 80942923. The reversal of 80942887 is 78824908.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80942887 - 2¹⁵ = 80910119 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80942987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40471443 + 40471444.

It is an arithmetic number, because the mean of its divisors is an integer number (40471444).

Almost surely, 2^80942887 is an apocalyptic number.

80942887 is a deficient number, since it is larger than the sum of its proper divisors (1).

80942887 is an equidigital number, since it uses as much as digits as its factorization.

80942887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 80942887 is about 8996.8264960485. The cubic root of 80942887 is about 432.5731543425.

The spelling of 80942887 in words is "eighty million, nine hundred forty-two thousand, eight hundred eighty-seven".