80197867 has 2 divisors, whose sum is σ = 80197868. Its totient is φ = 80197866.

The previous prime is 80197853. The next prime is 80197903. The reversal of 80197867 is 76879108.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80197867 - 2⁷ = 80197739 is a prime.

It is not a weakly prime, because it can be changed into another prime (80197367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40098933 + 40098934.

It is an arithmetic number, because the mean of its divisors is an integer number (40098934).

Almost surely, 2^80197867 is an apocalyptic number.

80197867 is a deficient number, since it is larger than the sum of its proper divisors (1).

80197867 is an equidigital number, since it uses as much as digits as its factorization.

80197867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 46.

The square root of 80197867 is about 8955.3261805475. The cubic root of 80197867 is about 431.2418884703.

The spelling of 80197867 in words is "eighty million, one hundred ninety-seven thousand, eight hundred sixty-seven".