86985207 has 12 divisors (see below), whose sum is σ = 127705864. Its totient is φ = 57039120.

The previous prime is 86985193. The next prime is 86985271. The reversal of 86985207 is 70258968.

It is a de Polignac number, because none of the positive numbers 2^k-86985207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86985607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78673 + ... + 79770.

Almost surely, 2^86985207 is an apocalyptic number.

86985207 is a deficient number, since it is larger than the sum of its proper divisors (40720657).

86985207 is a wasteful number, since it uses less digits than its factorization.

86985207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158510 (or 158507 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 86985207 is about 9326.5860313407. The cubic root of 86985207 is about 443.0796463828.

The spelling of 86985207 in words is "eighty-six million, nine hundred eighty-five thousand, two hundred seven".