86985607 has 2 divisors, whose sum is σ = 86985608. Its totient is φ = 86985606.

The previous prime is 86985601. The next prime is 86985637. The reversal of 86985607 is 70658968.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86985607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86985601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43492803 + 43492804.

It is an arithmetic number, because the mean of its divisors is an integer number (43492804).

Almost surely, 2^86985607 is an apocalyptic number.

86985607 is a deficient number, since it is larger than the sum of its proper divisors (1).

86985607 is an equidigital number, since it uses as much as digits as its factorization.

86985607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 49.

The square root of 86985607 is about 9326.6074753900. The cubic root of 86985607 is about 443.0803255465.

The spelling of 86985607 in words is "eighty-six million, nine hundred eighty-five thousand, six hundred seven".