80075987 has 2 divisors, whose sum is σ = 80075988. Its totient is φ = 80075986.

The previous prime is 80075959. The next prime is 80076067. The reversal of 80075987 is 78957008.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80075987 - 2⁶ = 80075923 is a prime.

It is not a weakly prime, because it can be changed into another prime (80075917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40037993 + 40037994.

It is an arithmetic number, because the mean of its divisors is an integer number (40037994).

Almost surely, 2^80075987 is an apocalyptic number.

80075987 is a deficient number, since it is larger than the sum of its proper divisors (1).

80075987 is an equidigital number, since it uses as much as digits as its factorization.

80075987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 44.

The square root of 80075987 is about 8948.5187042326. The cubic root of 80075987 is about 431.0233190262.

The spelling of 80075987 in words is "eighty million, seventy-five thousand, nine hundred eighty-seven".