86999211 has 32 divisors (see below), whose sum is σ = 140797440. Its totient is φ = 52768800.

The previous prime is 86999201. The next prime is 86999219. The reversal of 86999211 is 11299968.

It is not a de Polignac number, because 86999211 - 2¹⁵ = 86966443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86999219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23176 + ... + 26666.

It is an arithmetic number, because the mean of its divisors is an integer number (4399920).

Almost surely, 2^86999211 is an apocalyptic number.

86999211 is a deficient number, since it is larger than the sum of its proper divisors (53798229).

86999211 is a wasteful number, since it uses less digits than its factorization.

86999211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3584 (or 3578 counting only the distinct ones).

The product of its digits is 69984, while the sum is 45.

The square root of 86999211 is about 9327.3367581534. The cubic root of 86999211 is about 443.1034226647.

The spelling of 86999211 in words is "eighty-six million, nine hundred ninety-nine thousand, two hundred eleven".