86272520 has 16 divisors (see below), whose sum is σ = 194113260. Its totient is φ = 34508992.

The previous prime is 86272513. The next prime is 86272531. The reversal of 86272520 is 2527268.

It can be written as a sum of positive squares in 2 ways, for example, as 77827684 + 8444836 = 8822^2 + 2906^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1078367 + ... + 1078446.

Almost surely, 2^86272520 is an apocalyptic number.

It is an amenable number.

86272520 is an abundant number, since it is smaller than the sum of its proper divisors (107840740).

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

86272520 is a wasteful number, since it uses less digits than its factorization.

86272520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2156824 (or 2156820 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 86272520 is about 9288.3001674149. The cubic root of 86272520 is about 441.8662467332.

Adding to 86272520 its reverse (2527268), we get a palindrome (88799788).

The spelling of 86272520 in words is "eighty-six million, two hundred seventy-two thousand, five hundred twenty".