36856578523 has 2 divisors, whose sum is σ = 36856578524. Its totient is φ = 36856578522.

The previous prime is 36856578509. The next prime is 36856578553. The reversal of 36856578523 is 32587565863.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36856578523 is a prime.

It is not a weakly prime, because it can be changed into another prime (36856578503) 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 as a sum of consecutive naturals, namely, 18428289261 + 18428289262.

It is an arithmetic number, because the mean of its divisors is an integer number (18428289262).

Almost surely, 2^36856578523 is an apocalyptic number.

36856578523 is a deficient number, since it is larger than the sum of its proper divisors (1).

36856578523 is an equidigital number, since it uses as much as digits as its factorization.

36856578523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288000, while the sum is 58.

The spelling of 36856578523 in words is "thirty-six billion, eight hundred fifty-six million, five hundred seventy-eight thousand, five hundred twenty-three".