86486715 has 72 divisors (see below), whose sum is σ = 177519888. Its totient is φ = 38828160.

The previous prime is 86486711. The next prime is 86486767. The reversal of 86486715 is 51768468.

It is a happy number.

It is not a de Polignac number, because 86486715 - 2² = 86486711 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (86486711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 134184 + ... + 134826.

It is an arithmetic number, because the mean of its divisors is an integer number (2465554).

Almost surely, 2^86486715 is an apocalyptic number.

86486715 is an abundant number, since it is smaller than the sum of its proper divisors (91033173).

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

86486715 is a wasteful number, since it uses less digits than its factorization.

86486715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729 (or 719 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 86486715 is about 9299.8233854197. The cubic root of 86486715 is about 442.2316288997.

The spelling of 86486715 in words is "eighty-six million, four hundred eighty-six thousand, seven hundred fifteen".