36855678859 has 2 divisors, whose sum is σ = 36855678860. Its totient is φ = 36855678858.

The previous prime is 36855678829. The next prime is 36855678901. The reversal of 36855678859 is 95887655863.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36855678859 - 2⁷ = 36855678731 is a prime.

It is not a weakly prime, because it can be changed into another prime (36855678829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18427839429 + 18427839430.

It is an arithmetic number, because the mean of its divisors is an integer number (18427839430).

Almost surely, 2^36855678859 is an apocalyptic number.

36855678859 is a deficient number, since it is larger than the sum of its proper divisors (1).

36855678859 is an equidigital number, since it uses as much as digits as its factorization.

36855678859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456000, while the sum is 70.

The spelling of 36855678859 in words is "thirty-six billion, eight hundred fifty-five million, six hundred seventy-eight thousand, eight hundred fifty-nine".