869336064 has 220 divisors, whose sum is σ = 2663130624. Its totient is φ = 282341376.

The previous prime is 869336063. The next prime is 869336087. The reversal of 869336064 is 460633968.

869336064 is a `hidden beast` number, since 8 + 6 + 9 + 33 + 606 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (869336063) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3898257 + ... + 3898479.

Almost surely, 2^869336064 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 869336064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1331565312).

869336064 is an abundant number, since it is smaller than the sum of its proper divisors (1793794560).

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

869336064 is a wasteful number, since it uses less digits than its factorization.

869336064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The square root of 869336064 is about 29484.5054901723. The cubic root of 869336064 is about 954.3973662067.

The spelling of 869336064 in words is "eight hundred sixty-nine million, three hundred thirty-six thousand, sixty-four".