856104960 has 112 divisors (see below), whose sum is σ = 2739761856. Its totient is φ = 228261888.

The previous prime is 856104943. The next prime is 856105009. The reversal of 856104960 is 69401658.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119397 + ... + 126363.

Almost surely, 2^856104960 is an apocalyptic number.

856104960 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 856104960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1369880928).

856104960 is an abundant number, since it is smaller than the sum of its proper divisors (1883656896).

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

856104960 is an equidigital number, since it uses as much as digits as its factorization.

856104960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7001 (or 6977 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 856104960 is about 29259.2713511461. The cubic root of 856104960 is about 949.5306860110.

The spelling of 856104960 in words is "eight hundred fifty-six million, one hundred four thousand, nine hundred sixty".