36687478663 has 12 divisors (see below), whose sum is σ = 40725186264. Its totient is φ = 33022022000.

The previous prime is 36687478631. The next prime is 36687478669.

It is a happy number.

36687478663 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 36687478663 - 2⁵ = 36687478631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36687478595 and 36687478604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36687478669) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1488781 + ... + 1513222.

It is an arithmetic number, because the mean of its divisors is an integer number (3393765522).

Almost surely, 2^36687478663 is an apocalyptic number.

36687478663 is a deficient number, since it is larger than the sum of its proper divisors (4037707601).

36687478663 is a wasteful number, since it uses less digits than its factorization.

36687478663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3002126 (or 3002115 counting only the distinct ones).

The product of its digits is 146313216, while the sum is 64.

The spelling of 36687478663 in words is "thirty-six billion, six hundred eighty-seven million, four hundred seventy-eight thousand, six hundred sixty-three".