86647124 has 6 divisors (see below), whose sum is σ = 151632474. Its totient is φ = 43323560.

The previous prime is 86647097. The next prime is 86647129. The reversal of 86647124 is 42174668.

It can be written as a sum of positive squares in only one way, i.e., 58216900 + 28430224 = 7630^2 + 5332^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86647129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10830887 + ... + 10830894.

It is an arithmetic number, because the mean of its divisors is an integer number (25272079).

Almost surely, 2^86647124 is an apocalyptic number.

It is an amenable number.

86647124 is a deficient number, since it is larger than the sum of its proper divisors (64985350).

86647124 is a wasteful number, since it uses less digits than its factorization.

86647124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21661785 (or 21661783 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 86647124 is about 9308.4436937654. The cubic root of 86647124 is about 442.5048659386.

The spelling of 86647124 in words is "eighty-six million, six hundred forty-seven thousand, one hundred twenty-four".