36885203857 has 2 divisors, whose sum is σ = 36885203858. Its totient is φ = 36885203856.

The previous prime is 36885203833. The next prime is 36885203893. The reversal of 36885203857 is 75830258863.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34209831681 + 2675372176 = 184959^2 + 51724^2 .

It is an emirp because it is prime and its reverse (75830258863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36885203857 - 2¹⁹ = 36884679569 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36885203798 and 36885203807.

It is not a weakly prime, because it can be changed into another prime (36885203057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18442601928 + 18442601929.

It is an arithmetic number, because the mean of its divisors is an integer number (18442601929).

Almost surely, 2^36885203857 is an apocalyptic number.

It is an amenable number.

36885203857 is a deficient number, since it is larger than the sum of its proper divisors (1).

36885203857 is an equidigital number, since it uses as much as digits as its factorization.

36885203857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9676800, while the sum is 55.

The spelling of 36885203857 in words is "thirty-six billion, eight hundred eighty-five million, two hundred three thousand, eight hundred fifty-seven".