36887869 has 2 divisors, whose sum is σ = 36887870. Its totient is φ = 36887868.

The previous prime is 36887857. The next prime is 36887887. The reversal of 36887869 is 96878863.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34082244 + 2805625 = 5838^2 + 1675^2 .

It is an emirp because it is prime and its reverse (96878863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36887869 - 2¹⁵ = 36855101 is a prime.

It is a super-2 number, since 2×36887869² = 2721429758722322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36887819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18443934 + 18443935.

It is an arithmetic number, because the mean of its divisors is an integer number (18443935).

Almost surely, 2^36887869 is an apocalyptic number.

It is an amenable number.

36887869 is a deficient number, since it is larger than the sum of its proper divisors (1).

36887869 is an equidigital number, since it uses as much as digits as its factorization.

36887869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3483648, while the sum is 55.

The square root of 36887869 is about 6073.5384250040. The cubic root of 36887869 is about 332.8852270946.

The spelling of 36887869 in words is "thirty-six million, eight hundred eighty-seven thousand, eight hundred sixty-nine".