80789867 has 2 divisors, whose sum is σ = 80789868. Its totient is φ = 80789866.

The previous prime is 80789791. The next prime is 80789923. The reversal of 80789867 is 76898708.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80789867 - 2²⁴ = 64012651 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80789567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40394933 + 40394934.

It is an arithmetic number, because the mean of its divisors is an integer number (40394934).

Almost surely, 2^80789867 is an apocalyptic number.

80789867 is a deficient number, since it is larger than the sum of its proper divisors (1).

80789867 is an equidigital number, since it uses as much as digits as its factorization.

80789867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1354752, while the sum is 53.

The square root of 80789867 is about 8988.3183632980. The cubic root of 80789867 is about 432.3003937088.

The spelling of 80789867 in words is "eighty million, seven hundred eighty-nine thousand, eight hundred sixty-seven".