80597987 has 2 divisors, whose sum is σ = 80597988. Its totient is φ = 80597986.

The previous prime is 80597983. The next prime is 80598017. The reversal of 80597987 is 78979508.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80597987 - 2² = 80597983 is a prime.

It is not a weakly prime, because it can be changed into another prime (80597983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40298993 + 40298994.

It is an arithmetic number, because the mean of its divisors is an integer number (40298994).

Almost surely, 2^80597987 is an apocalyptic number.

80597987 is a deficient number, since it is larger than the sum of its proper divisors (1).

80597987 is an equidigital number, since it uses as much as digits as its factorization.

80597987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1270080, while the sum is 53.

The square root of 80597987 is about 8977.6381637934. The cubic root of 80597987 is about 431.9578773372.

The spelling of 80597987 in words is "eighty million, five hundred ninety-seven thousand, nine hundred eighty-seven".