856278363 has 4 divisors (see below), whose sum is σ = 1141704488. Its totient is φ = 570852240.

The previous prime is 856278349. The next prime is 856278391. The reversal of 856278363 is 363872658.

856278363 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 856278363 - 2⁸ = 856278107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (856278463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142713058 + ... + 142713063.

It is an arithmetic number, because the mean of its divisors is an integer number (285426122).

Almost surely, 2^856278363 is an apocalyptic number.

856278363 is a deficient number, since it is larger than the sum of its proper divisors (285426125).

856278363 is a wasteful number, since it uses less digits than its factorization.

856278363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285426124.

The product of its digits is 1451520, while the sum is 48.

The square root of 856278363 is about 29262.2344157106. The cubic root of 856278363 is about 949.5947904382.

The spelling of 856278363 in words is "eight hundred fifty-six million, two hundred seventy-eight thousand, three hundred sixty-three".