86211080 has 32 divisors (see below), whose sum is σ = 205386840. Its totient is φ = 32455680.

The previous prime is 86211079. The next prime is 86211089. The reversal of 86211080 is 8011268.

It can be written as a sum of positive squares in 4 ways, for example, as 72624484 + 13586596 = 8522^2 + 3686^2 .

It is not an unprimeable number, because it can be changed into a prime (86211089) 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 7 ways as a sum of consecutive naturals, for example, 62711 + ... + 64070.

Almost surely, 2^86211080 is an apocalyptic number.

It is an amenable number.

86211080 is an abundant number, since it is smaller than the sum of its proper divisors (119175760).

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

86211080 is a wasteful number, since it uses less digits than its factorization.

86211080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126809 (or 126805 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 86211080 is about 9284.9921917038. The cubic root of 86211080 is about 441.7613283907.

The spelling of 86211080 in words is "eighty-six million, two hundred eleven thousand, eighty".