86165472 has 24 divisors (see below), whose sum is σ = 226184616. Its totient is φ = 28721792.

The previous prime is 86165459. The next prime is 86165473. The reversal of 86165472 is 27456168.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 86165472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86165473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448683 + ... + 448874.

It is an arithmetic number, because the mean of its divisors is an integer number (9424359).

Almost surely, 2^86165472 is an apocalyptic number.

It is an amenable number.

86165472 is an abundant number, since it is smaller than the sum of its proper divisors (140019144).

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

86165472 is a wasteful number, since it uses less digits than its factorization.

86165472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897570 (or 897562 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 86165472 is about 9282.5358604209. The cubic root of 86165472 is about 441.6834134072.

The spelling of 86165472 in words is "eighty-six million, one hundred sixty-five thousand, four hundred seventy-two".