86502087 has 60 divisors (see below), whose sum is σ = 153801648. Its totient is φ = 47433600.

The previous prime is 86502049. The next prime is 86502089. The reversal of 86502087 is 78020568.

It is not a de Polignac number, because 86502087 - 2¹¹ = 86500039 is a prime.

It is a super-2 number, since 2×86502087² = 14965222110711138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86502089) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1418037 + ... + 1418097.

Almost surely, 2^86502087 is an apocalyptic number.

86502087 is a deficient number, since it is larger than the sum of its proper divisors (67299561).

86502087 is an equidigital number, since it uses as much as digits as its factorization.

86502087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 86502087 is about 9300.6498160075. The cubic root of 86502087 is about 442.2578278440.

The spelling of 86502087 in words is "eighty-six million, five hundred two thousand, eighty-seven".