36766861 has 2 divisors, whose sum is σ = 36766862. Its totient is φ = 36766860.

The previous prime is 36766817. The next prime is 36766871. The reversal of 36766861 is 16866763.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29975625 + 6791236 = 5475^2 + 2606^2 .

It is an emirp because it is prime and its reverse (16866763) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36766861 - 2²¹ = 34669709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36766871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18383430 + 18383431.

It is an arithmetic number, because the mean of its divisors is an integer number (18383431).

Almost surely, 2^36766861 is an apocalyptic number.

It is an amenable number.

36766861 is a deficient number, since it is larger than the sum of its proper divisors (1).

36766861 is an equidigital number, since it uses as much as digits as its factorization.

36766861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 43.

The square root of 36766861 is about 6063.5683388579. The cubic root of 36766861 is about 332.5208263285.

The spelling of 36766861 in words is "thirty-six million, seven hundred sixty-six thousand, eight hundred sixty-one".