86500672 has 28 divisors (see below), whose sum is σ = 176293780. Its totient is φ = 42080256.

The previous prime is 86500669. The next prime is 86500679. The reversal of 86500672 is 27600568.

It can be written as a sum of positive squares in 2 ways, for example, as 72182016 + 14318656 = 8496^2 + 3784^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86500679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15897 + ... + 20632.

Almost surely, 2^86500672 is an apocalyptic number.

It is an amenable number.

86500672 is an abundant number, since it is smaller than the sum of its proper divisors (89793108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86500672 is a wasteful number, since it uses less digits than its factorization.

86500672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36578 (or 36568 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 86500672 is about 9300.5737457428. The cubic root of 86500672 is about 442.2554163483.

The spelling of 86500672 in words is "eighty-six million, five hundred thousand, six hundred seventy-two".