862864704 has 224 divisors, whose sum is σ = 2775386880. Its totient is φ = 261273600.

The previous prime is 862864693. The next prime is 862864817. The reversal of 862864704 is 407468268.

It is a self number, because there is not a number n which added to its sum of digits gives 862864704.

It is a congruent number.

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 in 31 ways as a sum of consecutive naturals, for example, 1594674 + ... + 1595214.

It is an arithmetic number, because the mean of its divisors is an integer number (12390120).

Almost surely, 2^862864704 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 862864704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1387693440).

862864704 is an abundant number, since it is smaller than the sum of its proper divisors (1912522176).

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

862864704 is a wasteful number, since it uses less digits than its factorization.

862864704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The square root of 862864704 is about 29374.5587881759. The cubic root of 862864704 is about 952.0232793309.

The spelling of 862864704 in words is "eight hundred sixty-two million, eight hundred sixty-four thousand, seven hundred four".