85386650 has 12 divisors (see below), whose sum is σ = 158819262. Its totient is φ = 34154640.

The previous prime is 85386647. The next prime is 85386661. The reversal of 85386650 is 5668358.

It can be written as a sum of positive squares in 3 ways, for example, as 42863209 + 42523441 = 6547^2 + 6521^2 .

It is a junction number, because it is equal to n+sod(n) for n = 85386598 and 85386607.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 853817 + ... + 853916.

Almost surely, 2^85386650 is an apocalyptic number.

85386650 is a deficient number, since it is larger than the sum of its proper divisors (73432612).

85386650 is a wasteful number, since it uses less digits than its factorization.

85386650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707745 (or 1707740 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 85386650 is about 9240.4897056379. The cubic root of 85386650 is about 440.3486389683.

The spelling of 85386650 in words is "eighty-five million, three hundred eighty-six thousand, six hundred fifty".