63782671887 has 16 divisors (see below), whose sum is σ = 103083106560. Its totient is φ = 38656164600.

The previous prime is 63782671879. The next prime is 63782671913. The reversal of 63782671887 is 78817628736.

It is not a de Polignac number, because 63782671887 - 2³ = 63782671879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63782671837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107377939 + ... + 107378532.

It is an arithmetic number, because the mean of its divisors is an integer number (6442694160).

Almost surely, 2^63782671887 is an apocalyptic number.

63782671887 is a deficient number, since it is larger than the sum of its proper divisors (39300434673).

63782671887 is a wasteful number, since it uses less digits than its factorization.

63782671887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214756491 (or 214756485 counting only the distinct ones).

The product of its digits is 37933056, while the sum is 63.

The spelling of 63782671887 in words is "sixty-three billion, seven hundred eighty-two million, six hundred seventy-one thousand, eight hundred eighty-seven".