80455867 has 2 divisors, whose sum is σ = 80455868. Its totient is φ = 80455866.

The previous prime is 80455847. The next prime is 80455919. The reversal of 80455867 is 76855408.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80455867 is a prime.

It is not a weakly prime, because it can be changed into another prime (80455807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40227933 + 40227934.

It is an arithmetic number, because the mean of its divisors is an integer number (40227934).

Almost surely, 2^80455867 is an apocalyptic number.

80455867 is a deficient number, since it is larger than the sum of its proper divisors (1).

80455867 is an equidigital number, since it uses as much as digits as its factorization.

80455867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 80455867 is about 8969.7194493473. The cubic root of 80455867 is about 431.7038347136.

The spelling of 80455867 in words is "eighty million, four hundred fifty-five thousand, eight hundred sixty-seven".