860078928 has 160 divisors (see below), whose sum is σ = 2466984960. Its totient is φ = 256988160.

The previous prime is 860078927. The next prime is 860078953. The reversal of 860078928 is 829870068.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860078927) by changing a digit.

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, 2747700 + ... + 2748012.

It is an arithmetic number, because the mean of its divisors is an integer number (15418656).

Almost surely, 2^860078928 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 860078928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1233492480).

860078928 is an abundant number, since it is smaller than the sum of its proper divisors (1606906032).

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

860078928 is a wasteful number, since it uses less digits than its factorization.

860078928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497 (or 491 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 860078928 is about 29327.1022775862. The cubic root of 860078928 is about 950.9976326814.

The spelling of 860078928 in words is "eight hundred sixty million, seventy-eight thousand, nine hundred twenty-eight".