856137876 has 48 divisors (see below), whose sum is σ = 2181670848. Its totient is φ = 259148800.

The previous prime is 856137829. The next prime is 856137889. The reversal of 856137876 is 678731658.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136996 + ... + 143108.

It is an arithmetic number, because the mean of its divisors is an integer number (45451476).

Almost surely, 2^856137876 is an apocalyptic number.

It is an amenable number.

856137876 is an abundant number, since it is smaller than the sum of its proper divisors (1325532972).

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

856137876 is a wasteful number, since it uses less digits than its factorization.

856137876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7192 (or 7190 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 51.

The square root of 856137876 is about 29259.8338341146. The cubic root of 856137876 is about 949.5428552165.

The spelling of 856137876 in words is "eight hundred fifty-six million, one hundred thirty-seven thousand, eight hundred seventy-six".