863156928 has 224 divisors, whose sum is σ = 2560320000. Its totient is φ = 255467520.

The previous prime is 863156881. The next prime is 863156953. The reversal of 863156928 is 829651368.

It is a happy number.

863156928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 4337373 + ... + 4337571.

It is an arithmetic number, because the mean of its divisors is an integer number (11430000).

Almost surely, 2^863156928 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 863156928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1280160000).

863156928 is an abundant number, since it is smaller than the sum of its proper divisors (1697163072).

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

863156928 is a wasteful number, since it uses less digits than its factorization.

863156928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303 (or 293 counting only the distinct ones).

The product of its digits is 622080, while the sum is 48.

The square root of 863156928 is about 29379.5324673488. The cubic root of 863156928 is about 952.1307402300.

The spelling of 863156928 in words is "eight hundred sixty-three million, one hundred fifty-six thousand, nine hundred twenty-eight".