86572395 has 144 divisors (see below), whose sum is σ = 198394560. Its totient is φ = 35271936.

The previous prime is 86572393. The next prime is 86572399. The reversal of 86572395 is 59327568.

It is a happy number.

It is not a de Polignac number, because 86572395 - 2¹ = 86572393 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 86572395.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86572393) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2985241 + ... + 2985269.

It is an arithmetic number, because the mean of its divisors is an integer number (1377740).

Almost surely, 2^86572395 is an apocalyptic number.

86572395 is an abundant number, since it is smaller than the sum of its proper divisors (111822165).

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

86572395 is an equidigital number, since it uses as much as digits as its factorization.

86572395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78 (or 57 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 86572395 is about 9304.4287841866. The cubic root of 86572395 is about 442.3776162556.

The spelling of 86572395 in words is "eighty-six million, five hundred seventy-two thousand, three hundred ninety-five".