86247164 has 24 divisors (see below), whose sum is σ = 156581040. Its totient is φ = 41537664.

The previous prime is 86247163. The next prime is 86247167. The reversal of 86247164 is 46174268.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86247163) 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, 9122 + ... + 15990.

It is an arithmetic number, because the mean of its divisors is an integer number (6524210).

Almost surely, 2^86247164 is an apocalyptic number.

It is an amenable number.

86247164 is a deficient number, since it is larger than the sum of its proper divisors (70333876).

86247164 is a wasteful number, since it uses less digits than its factorization.

86247164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6989 (or 6987 counting only the distinct ones).

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

The square root of 86247164 is about 9286.9351241408. The cubic root of 86247164 is about 441.8229534637.

The spelling of 86247164 in words is "eighty-six million, two hundred forty-seven thousand, one hundred sixty-four".