86909940211 has 4 divisors (see below), whose sum is σ = 89258857552. Its totient is φ = 84561022872.

The previous prime is 86909940197. The next prime is 86909940217. The reversal of 86909940211 is 11204990968.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 86909940211 - 2¹¹ = 86909938163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86909940217) 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, 1174458615 + ... + 1174458688.

It is an arithmetic number, because the mean of its divisors is an integer number (22314714388).

Almost surely, 2^86909940211 is an apocalyptic number.

86909940211 is a deficient number, since it is larger than the sum of its proper divisors (2348917341).

86909940211 is a wasteful number, since it uses less digits than its factorization.

86909940211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2348917340.

The product of its (nonzero) digits is 279936, while the sum is 49.

The spelling of 86909940211 in words is "eighty-six billion, nine hundred nine million, nine hundred forty thousand, two hundred eleven".