86272297 has 4 divisors (see below), whose sum is σ = 91347156. Its totient is φ = 81197440.

The previous prime is 86272283. The next prime is 86272309. The reversal of 86272297 is 79227268.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57927321 + 28344976 = 7611^2 + 5324^2 .

It is not a de Polignac number, because 86272297 - 2⁷ = 86272169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86272097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2537404 + ... + 2537437.

It is an arithmetic number, because the mean of its divisors is an integer number (22836789).

Almost surely, 2^86272297 is an apocalyptic number.

It is an amenable number.

86272297 is a deficient number, since it is larger than the sum of its proper divisors (5074859).

86272297 is a wasteful number, since it uses less digits than its factorization.

86272297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5074858.

The product of its digits is 169344, while the sum is 43.

The square root of 86272297 is about 9288.2881630578. The cubic root of 86272297 is about 441.8658660161.

The spelling of 86272297 in words is "eighty-six million, two hundred seventy-two thousand, two hundred ninety-seven".