856326237764 has 24 divisors (see below), whose sum is σ = 1541740357080. Its totient is φ = 415869106176.

The previous prime is 856326237751. The next prime is 856326237773. The reversal of 856326237764 is 467732623658.

It can be written as a sum of positive squares in 4 ways, for example, as 367711257664 + 488614980100 = 606392^2 + 699010^2 .

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4928459 + ... + 5099250.

It is an arithmetic number, because the mean of its divisors is an integer number (64239181545).

Almost surely, 2^856326237764 is an apocalyptic number.

It is an amenable number.

856326237764 is a deficient number, since it is larger than the sum of its proper divisors (685414119316).

856326237764 is a wasteful number, since it uses less digits than its factorization.

856326237764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10028327 (or 10028325 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 59.

The spelling of 856326237764 in words is "eight hundred fifty-six billion, three hundred twenty-six million, two hundred thirty-seven thousand, seven hundred sixty-four".