869996867795 has 16 divisors (see below), whose sum is σ = 1139268271968. Its totient is φ = 632523171840.

The previous prime is 869996867791. The next prime is 869996867819. The reversal of 869996867795 is 597768699968.

It is a happy number.

It is not a de Polignac number, because 869996867795 - 2² = 869996867791 is a prime.

It is a super-2 number, since 2×869996867795² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 869996867795.

It is not an unprimeable number, because it can be changed into a prime (869996867791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2348684 + ... + 2693753.

It is an arithmetic number, because the mean of its divisors is an integer number (71204266998).

Almost surely, 2^869996867795 is an apocalyptic number.

869996867795 is a deficient number, since it is larger than the sum of its proper divisors (269271404173).

869996867795 is a wasteful number, since it uses less digits than its factorization.

869996867795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5045590.

The product of its digits is 22221319680, while the sum is 89.

The spelling of 869996867795 in words is "eight hundred sixty-nine billion, nine hundred ninety-six million, eight hundred sixty-seven thousand, seven hundred ninety-five".