856163748 has 24 divisors (see below), whose sum is σ = 2179326240. Its totient is φ = 259443520.

The previous prime is 856163747. The next prime is 856163767. The reversal of 856163748 is 847361658.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 856163697 and 856163706.

It is not an unprimeable number, because it can be changed into a prime (856163747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3242913 + ... + 3243176.

It is an arithmetic number, because the mean of its divisors is an integer number (90805260).

Almost surely, 2^856163748 is an apocalyptic number.

It is an amenable number.

856163748 is an abundant number, since it is smaller than the sum of its proper divisors (1323162492).

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

856163748 is a wasteful number, since it uses less digits than its factorization.

856163748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6486107 (or 6486105 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The square root of 856163748 is about 29260.2759385485. The cubic root of 856163748 is about 949.5524200019.

The spelling of 856163748 in words is "eight hundred fifty-six million, one hundred sixty-three thousand, seven hundred forty-eight".