86464485 has 24 divisors (see below), whose sum is σ = 151930584. Its totient is φ = 45480960.

The previous prime is 86464481. The next prime is 86464493. The reversal of 86464485 is 58446468.

It can be written as a sum of positive squares in 4 ways, for example, as 29582721 + 56881764 = 5439^2 + 7542^2 .

It is not a de Polignac number, because 86464485 - 2² = 86464481 is a prime.

It is a super-2 number, since 2×86464485² = 14952214332630450, which contains 22 as substring.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 86464485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86464481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9876 + ... + 16445.

It is an arithmetic number, because the mean of its divisors is an integer number (6330441).

Almost surely, 2^86464485 is an apocalyptic number.

It is an amenable number.

86464485 is a deficient number, since it is larger than the sum of its proper divisors (65466099).

86464485 is a wasteful number, since it uses less digits than its factorization.

86464485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26405 (or 26402 counting only the distinct ones).

The product of its digits is 737280, while the sum is 45.

The square root of 86464485 is about 9298.6281246214. The cubic root of 86464485 is about 442.1937361763.

It can be divided in two parts, 8646 and 4485, that added together give a palindrome (13131).

The spelling of 86464485 in words is "eighty-six million, four hundred sixty-four thousand, four hundred eighty-five".