38804656687 has 2 divisors, whose sum is σ = 38804656688. Its totient is φ = 38804656686.

The previous prime is 38804656651. The next prime is 38804656691. The reversal of 38804656687 is 78665640883.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38804656687 - 2⁷ = 38804656559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38804656607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19402328343 + 19402328344.

It is an arithmetic number, because the mean of its divisors is an integer number (19402328344).

Almost surely, 2^38804656687 is an apocalyptic number.

38804656687 is a deficient number, since it is larger than the sum of its proper divisors (1).

38804656687 is an equidigital number, since it uses as much as digits as its factorization.

38804656687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46448640, while the sum is 61.

The spelling of 38804656687 in words is "thirty-eight billion, eight hundred four million, six hundred fifty-six thousand, six hundred eighty-seven".