856320127 has 12 divisors (see below), whose sum is σ = 928375104. Its totient is φ = 789497280.

The previous prime is 856320089. The next prime is 856320167. The reversal of 856320127 is 721023658.

It is a happy number.

It is not a de Polignac number, because 856320127 - 2¹⁵ = 856287359 is a prime.

It is a super-2 number, since 2×856320127² = 1466568319810592258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 856320092 and 856320101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (856320167) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164923 + ... + 170035.

It is an arithmetic number, because the mean of its divisors is an integer number (77364592).

Almost surely, 2^856320127 is an apocalyptic number.

856320127 is a deficient number, since it is larger than the sum of its proper divisors (72054977).

856320127 is a wasteful number, since it uses less digits than its factorization.

856320127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6130 (or 6117 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 856320127 is about 29262.9480230547. The cubic root of 856320127 is about 949.6102286546.

The spelling of 856320127 in words is "eight hundred fifty-six million, three hundred twenty thousand, one hundred twenty-seven".