80001959 has 2 divisors, whose sum is σ = 80001960. Its totient is φ = 80001958.

The previous prime is 80001931. The next prime is 80002001. The reversal of 80001959 is 95910008.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80001959 - 2⁸ = 80001703 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80000959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40000979 + 40000980.

It is an arithmetic number, because the mean of its divisors is an integer number (40000980).

Almost surely, 2^80001959 is an apocalyptic number.

80001959 is a deficient number, since it is larger than the sum of its proper divisors (1).

80001959 is an equidigital number, since it uses as much as digits as its factorization.

80001959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 80001959 is about 8944.3814207579. The cubic root of 80001959 is about 430.8904550923.

The spelling of 80001959 in words is "eighty million, one thousand, nine hundred fifty-nine".