869089352392 has 32 divisors (see below), whose sum is σ = 1682830651320. Its totient is φ = 420464286720.

The previous prime is 869089352389. The next prime is 869089352543. The reversal of 869089352392 is 293253980968.

It can be written as a sum of positive squares in 4 ways, for example, as 610470318276 + 258619034116 = 781326^2 + 508546^2 .

It is a super-2 number, since 2×869089352392² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8057233 + ... + 8164384.

Almost surely, 2^869089352392 is an apocalyptic number.

It is an amenable number.

869089352392 is a deficient number, since it is larger than the sum of its proper divisors (813741298928).

869089352392 is a wasteful number, since it uses less digits than its factorization.

869089352392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16221841 (or 16221837 counting only the distinct ones).

The product of its (nonzero) digits is 50388480, while the sum is 64.

The spelling of 869089352392 in words is "eight hundred sixty-nine billion, eighty-nine million, three hundred fifty-two thousand, three hundred ninety-two".