80558983987 has 2 divisors, whose sum is σ = 80558983988. Its totient is φ = 80558983986.

The previous prime is 80558983889. The next prime is 80558984017. The reversal of 80558983987 is 78938985508.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80558983987 - 2³¹ = 78411500339 is a prime.

It is not a weakly prime, because it can be changed into another prime (80558483987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40279491993 + 40279491994.

It is an arithmetic number, because the mean of its divisors is an integer number (40279491994).

Almost surely, 2^80558983987 is an apocalyptic number.

80558983987 is a deficient number, since it is larger than the sum of its proper divisors (1).

80558983987 is an equidigital number, since it uses as much as digits as its factorization.

80558983987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174182400, while the sum is 70.

The spelling of 80558983987 in words is "eighty billion, five hundred fifty-eight million, nine hundred eighty-three thousand, nine hundred eighty-seven".