869928512 has 14 divisors (see below), whose sum is σ = 1726264518. Its totient is φ = 434964224.

The previous prime is 869928463. The next prime is 869928523. The reversal of 869928512 is 215829968.

It can be written as a sum of positive squares in only one way, i.e., 752075776 + 117852736 = 27424^2 + 10856^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6796253 + ... + 6796380.

Almost surely, 2^869928512 is an apocalyptic number.

It is an amenable number.

869928512 is a deficient number, since it is larger than the sum of its proper divisors (856336006).

869928512 is a wasteful number, since it uses less digits than its factorization.

869928512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13592645 (or 13592635 counting only the distinct ones).

The product of its digits is 622080, while the sum is 50.

The square root of 869928512 is about 29494.5505475164. The cubic root of 869928512 is about 954.6141225862.

The spelling of 869928512 in words is "eight hundred sixty-nine million, nine hundred twenty-eight thousand, five hundred twelve".