860078688 has 192 divisors, whose sum is σ = 2769500160. Its totient is φ = 228114432.

The previous prime is 860078677. The next prime is 860078759. The reversal of 860078688 is 886870068.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 860078688.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 902020 + ... + 902972.

It is an arithmetic number, because the mean of its divisors is an integer number (14424480).

Almost surely, 2^860078688 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 860078688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1384750080).

860078688 is an abundant number, since it is smaller than the sum of its proper divisors (1909421472).

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

860078688 is a wasteful number, since it uses less digits than its factorization.

860078688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069 (or 1061 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 51.

The square root of 860078688 is about 29327.0981858076. The cubic root of 860078688 is about 950.9975442246.

The spelling of 860078688 in words is "eight hundred sixty million, seventy-eight thousand, six hundred eighty-eight".