36887887 has 2 divisors, whose sum is σ = 36887888. Its totient is φ = 36887886.

The previous prime is 36887869. The next prime is 36887899. The reversal of 36887887 is 78878863.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36887887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36887827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18443943 + 18443944.

It is an arithmetic number, because the mean of its divisors is an integer number (18443944).

Almost surely, 2^36887887 is an apocalyptic number.

36887887 is a deficient number, since it is larger than the sum of its proper divisors (1).

36887887 is an equidigital number, since it uses as much as digits as its factorization.

36887887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3612672, while the sum is 55.

The square root of 36887887 is about 6073.5399068418. The cubic root of 36887887 is about 332.8852812400.

The spelling of 36887887 in words is "thirty-six million, eight hundred eighty-seven thousand, eight hundred eighty-seven".