80485687 has 2 divisors, whose sum is σ = 80485688. Its totient is φ = 80485686.

The previous prime is 80485673. The next prime is 80485697. The reversal of 80485687 is 78658408.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80485687 - 2²³ = 72097079 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80485697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40242843 + 40242844.

It is an arithmetic number, because the mean of its divisors is an integer number (40242844).

Almost surely, 2^80485687 is an apocalyptic number.

80485687 is a deficient number, since it is larger than the sum of its proper divisors (1).

80485687 is an equidigital number, since it uses as much as digits as its factorization.

80485687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 430080, while the sum is 46.

The square root of 80485687 is about 8971.3815546994. The cubic root of 80485687 is about 431.7571634047.

The spelling of 80485687 in words is "eighty million, four hundred eighty-five thousand, six hundred eighty-seven".