86449455 has 24 divisors (see below), whose sum is σ = 152390160. Its totient is φ = 45323520.

The previous prime is 86449453. The next prime is 86449457. The reversal of 86449455 is 55494468.

It is an interprime number because it is at equal distance from previous prime (86449453) and next prime (86449457).

It is not a de Polignac number, because 86449455 - 2¹ = 86449453 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 86449455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86449453) 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, 13626 + ... + 18935.

It is an arithmetic number, because the mean of its divisors is an integer number (6349590).

Almost surely, 2^86449455 is an apocalyptic number.

86449455 is a deficient number, since it is larger than the sum of its proper divisors (65940705).

86449455 is a wasteful number, since it uses less digits than its factorization.

86449455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32631 (or 32628 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 86449455 is about 9297.8199057629. The cubic root of 86449455 is about 442.1681127195.

The spelling of 86449455 in words is "eighty-six million, four hundred forty-nine thousand, four hundred fifty-five".