869420266835 has 4 divisors (see below), whose sum is σ = 1043304320208. Its totient is φ = 695536213464.

The previous prime is 869420266823. The next prime is 869420266853. The reversal of 869420266835 is 538662024968.

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 869420266835 - 2⁸ = 869420266579 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86942026679 + ... + 86942026688.

It is an arithmetic number, because the mean of its divisors is an integer number (260826080052).

Almost surely, 2^869420266835 is an apocalyptic number.

869420266835 is a deficient number, since it is larger than the sum of its proper divisors (173884053373).

869420266835 is a wasteful number, since it uses less digits than its factorization.

869420266835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173884053372.

The product of its (nonzero) digits is 29859840, while the sum is 59.

The spelling of 869420266835 in words is "eight hundred sixty-nine billion, four hundred twenty million, two hundred sixty-six thousand, eight hundred thirty-five".