86859250 has 16 divisors (see below), whose sum is σ = 162600984. Its totient is φ = 34743600.

The previous prime is 86859229. The next prime is 86859259. The reversal of 86859250 is 5295868.

It can be written as a sum of positive squares in 4 ways, for example, as 24275329 + 62583921 = 4927^2 + 7911^2 .

It is a junction number, because it is equal to n+sod(n) for n = 86859197 and 86859206.

It is not an unprimeable number, because it can be changed into a prime (86859259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173469 + ... + 173968.

Almost surely, 2^86859250 is an apocalyptic number.

86859250 is a deficient number, since it is larger than the sum of its proper divisors (75741734).

86859250 is a wasteful number, since it uses less digits than its factorization.

86859250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347454 (or 347444 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 86859250 is about 9319.8310070516. The cubic root of 86859250 is about 442.8656791873.

The spelling of 86859250 in words is "eighty-six million, eight hundred fifty-nine thousand, two hundred fifty".