86211276 has 12 divisors (see below), whose sum is σ = 201159672. Its totient is φ = 28737088.

The previous prime is 86211271. The next prime is 86211289. The reversal of 86211276 is 67211268.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (86211271) 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, 3592125 + ... + 3592148.

It is an arithmetic number, because the mean of its divisors is an integer number (16763306).

Almost surely, 2^86211276 is an apocalyptic number.

It is an amenable number.

86211276 is an abundant number, since it is smaller than the sum of its proper divisors (114948396).

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

86211276 is a wasteful number, since it uses less digits than its factorization.

86211276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7184280 (or 7184278 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 86211276 is about 9285.0027463647. The cubic root of 86211276 is about 441.7616631704.

The spelling of 86211276 in words is "eighty-six million, two hundred eleven thousand, two hundred seventy-six".