36889663 has 2 divisors, whose sum is σ = 36889664. Its totient is φ = 36889662.

The previous prime is 36889639. The next prime is 36889673. The reversal of 36889663 is 36698863.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36889663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36889613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18444831 + 18444832.

It is an arithmetic number, because the mean of its divisors is an integer number (18444832).

Almost surely, 2^36889663 is an apocalyptic number.

36889663 is a deficient number, since it is larger than the sum of its proper divisors (1).

36889663 is an equidigital number, since it uses as much as digits as its factorization.

36889663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1119744, while the sum is 49.

The square root of 36889663 is about 6073.6861130618. The cubic root of 36889663 is about 332.8906235066.

The spelling of 36889663 in words is "thirty-six million, eight hundred eighty-nine thousand, six hundred sixty-three".