856052433 has 12 divisors (see below), whose sum is σ = 1290282240. Its totient is φ = 545888376.

The previous prime is 856052423. The next prime is 856052437. The reversal of 856052433 is 334250658.

It is a happy number.

856052433 is a `hidden beast` number, since 8 + 5 + 605 + 2 + 43 + 3 = 666.

It is not a de Polignac number, because 856052433 - 2⁶ = 856052369 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (856052437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2067553 + ... + 2067966.

It is an arithmetic number, because the mean of its divisors is an integer number (107523520).

Almost surely, 2^856052433 is an apocalyptic number.

It is an amenable number.

856052433 is a deficient number, since it is larger than the sum of its proper divisors (434229807).

856052433 is a wasteful number, since it uses less digits than its factorization.

856052433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4135548 (or 4135545 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 856052433 is about 29258.3737244571. The cubic root of 856052433 is about 949.5112658773.

The spelling of 856052433 in words is "eight hundred fifty-six million, fifty-two thousand, four hundred thirty-three".