869679690211 has 2 divisors, whose sum is σ = 869679690212. Its totient is φ = 869679690210.

The previous prime is 869679690181. The next prime is 869679690239. The reversal of 869679690211 is 112096976968.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 869679690211 - 2¹⁷ = 869679559139 is a prime.

It is not a weakly prime, because it can be changed into another prime (869679690811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434839845105 + 434839845106.

It is an arithmetic number, because the mean of its divisors is an integer number (434839845106).

Almost surely, 2^869679690211 is an apocalyptic number.

869679690211 is a deficient number, since it is larger than the sum of its proper divisors (1).

869679690211 is an equidigital number, since it uses as much as digits as its factorization.

869679690211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17635968, while the sum is 64.

The spelling of 869679690211 in words is "eight hundred sixty-nine billion, six hundred seventy-nine million, six hundred ninety thousand, two hundred eleven".