869857405296 has 120 divisors (see below), whose sum is σ = 2522541380352. Its totient is φ = 257984707200.

The previous prime is 869857405267. The next prime is 869857405297. The reversal of 869857405296 is 692504758968.

It is a self number, because there is not a number n which added to its sum of digits gives 869857405296.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869857405297) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1320310 + ... + 1866261.

Almost surely, 2^869857405296 is an apocalyptic number.

It is an amenable number.

869857405296 is an abundant number, since it is smaller than the sum of its proper divisors (1652683975056).

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

869857405296 is a wasteful number, since it uses less digits than its factorization.

869857405296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3186651 (or 3186634 counting only the distinct ones).

The product of its (nonzero) digits is 261273600, while the sum is 69.

The spelling of 869857405296 in words is "eight hundred sixty-nine billion, eight hundred fifty-seven million, four hundred five thousand, two hundred ninety-six".