38623916785 has 16 divisors (see below), whose sum is σ = 49666369536. Its totient is φ = 28731152128.

The previous prime is 38623916759. The next prime is 38623916801. The reversal of 38623916785 is 58761932683.

It is a cyclic number.

It is not a de Polignac number, because 38623916785 - 2⁷ = 38623916657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2730289 + ... + 2744398.

It is an arithmetic number, because the mean of its divisors is an integer number (3104148096).

Almost surely, 2^38623916785 is an apocalyptic number.

It is an amenable number.

38623916785 is a deficient number, since it is larger than the sum of its proper divisors (11042452751).

38623916785 is a wasteful number, since it uses less digits than its factorization.

38623916785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5474792.

The product of its digits is 13063680, while the sum is 58.

The spelling of 38623916785 in words is "thirty-eight billion, six hundred twenty-three million, nine hundred sixteen thousand, seven hundred eighty-five".