38772108887 has 2 divisors, whose sum is σ = 38772108888. Its totient is φ = 38772108886.

The previous prime is 38772108877. The next prime is 38772108901. The reversal of 38772108887 is 78880127783.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38772108887 - 2¹⁰ = 38772107863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38772108877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19386054443 + 19386054444.

It is an arithmetic number, because the mean of its divisors is an integer number (19386054444).

Almost surely, 2^38772108887 is an apocalyptic number.

38772108887 is a deficient number, since it is larger than the sum of its proper divisors (1).

38772108887 is an equidigital number, since it uses as much as digits as its factorization.

38772108887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8429568, while the sum is 59.

The spelling of 38772108887 in words is "thirty-eight billion, seven hundred seventy-two million, one hundred eight thousand, eight hundred eighty-seven".