86464865 has 16 divisors (see below), whose sum is σ = 105981696. Its totient is φ = 67704000.

The previous prime is 86464841. The next prime is 86464867. The reversal of 86464865 is 56846468.

It is a happy number.

It is not a de Polignac number, because 86464865 - 2¹² = 86460769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86464867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52799 + ... + 54411.

It is an arithmetic number, because the mean of its divisors is an integer number (6623856).

Almost surely, 2^86464865 is an apocalyptic number.

It is an amenable number.

86464865 is a deficient number, since it is larger than the sum of its proper divisors (19516831).

86464865 is a wasteful number, since it uses less digits than its factorization.

86464865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1840.

The product of its digits is 1105920, while the sum is 47.

The square root of 86464865 is about 9298.6485577206. The cubic root of 86464865 is about 442.1943839697.

The spelling of 86464865 in words is "eighty-six million, four hundred sixty-four thousand, eight hundred sixty-five".