86850645 has 32 divisors (see below), whose sum is σ = 165722112. Its totient is φ = 37975872.

The previous prime is 86850613. The next prime is 86850677. The reversal of 86850645 is 54605868.

It is an interprime number because it is at equal distance from previous prime (86850613) and next prime (86850677).

It is not a de Polignac number, because 86850645 - 2⁵ = 86850613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86850597 and 86850606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15567 + ... + 20396.

It is an arithmetic number, because the mean of its divisors is an integer number (5178816).

Almost surely, 2^86850645 is an apocalyptic number.

It is an amenable number.

86850645 is a deficient number, since it is larger than the sum of its proper divisors (78871467).

86850645 is a wasteful number, since it uses less digits than its factorization.

86850645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36001.

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 86850645 is about 9319.3693456156. The cubic root of 86850645 is about 442.8510540514.

The spelling of 86850645 in words is "eighty-six million, eight hundred fifty thousand, six hundred forty-five".