3878886888783 has 6 divisors (see below), whose sum is σ = 5602836617144. Its totient is φ = 2585924592516.

The previous prime is 3878886888743. The next prime is 3878886888797.

3878886888783 is a `hidden beast` number, since 387 + 8 + 8 + 86 + 8 + 88 + 78 + 3 = 666.

3878886888783 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-3878886888783 is a prime.

It is a super-2 number, since 2×3878886888783² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3878886888693 and 3878886888702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3878886888703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 215493716035 + ... + 215493716052.

Almost surely, 2^{3878886888783} is an apocalyptic number.

3878886888783 is a deficient number, since it is larger than the sum of its proper divisors (1723949728361).

3878886888783 is a wasteful number, since it uses less digits than its factorization.

3878886888783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430987432093 (or 430987432090 counting only the distinct ones).

The product of its digits is 44392513536, while the sum is 90.

The spelling of 3878886888783 in words is "three trillion, eight hundred seventy-eight billion, eight hundred eighty-six million, eight hundred eighty-eight thousand, seven hundred eighty-three".