869306688 has 112 divisors (see below), whose sum is σ = 2563327360. Its totient is φ = 288893952.

The previous prime is 869306657. The next prime is 869306693. The reversal of 869306688 is 886603968.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 841020 + ... + 842052.

Almost surely, 2^869306688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 869306688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1281663680).

869306688 is an abundant number, since it is smaller than the sum of its proper divisors (1694020672).

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

869306688 is a wasteful number, since it uses less digits than its factorization.

869306688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541 (or 1525 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The square root of 869306688 is about 29484.0073260064. The cubic root of 869306688 is about 954.3866159748.

The spelling of 869306688 in words is "eight hundred sixty-nine million, three hundred six thousand, six hundred eighty-eight".