36856748772 has 72 divisors (see below), whose sum is σ = 96330360672. Its totient is φ = 11873865600.

The previous prime is 36856748771. The next prime is 36856748791. The reversal of 36856748772 is 27784765863.

36856748772 is a `hidden beast` number, since 3 + 6 + 85 + 6 + 7 + 487 + 72 = 666.

It is not an unprimeable number, because it can be changed into a prime (36856748771) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 41247 + ... + 274617.

It is an arithmetic number, because the mean of its divisors is an integer number (1337921676).

Almost surely, 2^36856748772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36856748772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48165180336).

36856748772 is an abundant number, since it is smaller than the sum of its proper divisors (59473611900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36856748772 is a wasteful number, since it uses less digits than its factorization.

36856748772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233529 (or 233524 counting only the distinct ones).

The product of its digits is 94832640, while the sum is 63.

The spelling of 36856748772 in words is "thirty-six billion, eight hundred fifty-six million, seven hundred forty-eight thousand, seven hundred seventy-two".