86206544 has 10 divisors (see below), whose sum is σ = 167025210. Its totient is φ = 43103264.

The previous prime is 86206517. The next prime is 86206577. The reversal of 86206544 is 44560268.

It can be written as a sum of positive squares in only one way, i.e., 84860944 + 1345600 = 9212^2 + 1160^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2693939 + ... + 2693970.

It is an arithmetic number, because the mean of its divisors is an integer number (16702521).

Almost surely, 2^86206544 is an apocalyptic number.

It is an amenable number.

86206544 is a deficient number, since it is larger than the sum of its proper divisors (80818666).

86206544 is a wasteful number, since it uses less digits than its factorization.

86206544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5387917 (or 5387911 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 86206544 is about 9284.7479233418. The cubic root of 86206544 is about 441.7535804905.

The spelling of 86206544 in words is "eighty-six million, two hundred six thousand, five hundred forty-four".