875499856 has 120 divisors (see below), whose sum is σ = 2172985920. Its totient is φ = 340697280.

The previous prime is 875499839. The next prime is 875499857. The reversal of 875499856 is 658994578.

It is a junction number, because it is equal to n+sod(n) for n = 875499794 and 875499803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (875499857) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1043085 + ... + 1043923.

It is an arithmetic number, because the mean of its divisors is an integer number (18108216).

Almost surely, 2^875499856 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 875499856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1086492960).

875499856 is an abundant number, since it is smaller than the sum of its proper divisors (1297486064).

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

875499856 is a wasteful number, since it uses less digits than its factorization.

875499856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894 (or 859 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 61.

The square root of 875499856 is about 29588.8468176778. The cubic root of 875499856 is about 956.6476881687.

The spelling of 875499856 in words is "eight hundred seventy-five million, four hundred ninety-nine thousand, eight hundred fifty-six".