856326237725 has 48 divisors (see below), whose sum is σ = 1236831337728. Its totient is φ = 575930634240.

The previous prime is 856326237707. The next prime is 856326237751. The reversal of 856326237725 is 527732623658.

It is not a de Polignac number, because 856326237725 - 2⁸ = 856326237469 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32699837 + ... + 32726013.

It is an arithmetic number, because the mean of its divisors is an integer number (25767319536).

Almost surely, 2^856326237725 is an apocalyptic number.

It is an amenable number.

856326237725 is a deficient number, since it is larger than the sum of its proper divisors (380505100003).

856326237725 is a wasteful number, since it uses less digits than its factorization.

856326237725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29774 (or 29769 counting only the distinct ones).

The product of its digits is 25401600, while the sum is 56.

The spelling of 856326237725 in words is "eight hundred fifty-six billion, three hundred twenty-six million, two hundred thirty-seven thousand, seven hundred twenty-five".