3877377788047 has 2 divisors, whose sum is σ = 3877377788048. Its totient is φ = 3877377788046.

The previous prime is 3877377788017. The next prime is 3877377788077. The reversal of 3877377788047 is 7408877737783.

It is a balanced prime because it is at equal distance from previous prime (3877377788017) and next prime (3877377788077).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3877377788047 is a prime.

It is a super-2 number, since 2×3877377788047² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3877377788017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1938688894023 + 1938688894024.

It is an arithmetic number, because the mean of its divisors is an integer number (1938688894024).

Almost surely, 2^{3877377788047} is an apocalyptic number.

3877377788047 is a deficient number, since it is larger than the sum of its proper divisors (1).

3877377788047 is an equidigital number, since it uses as much as digits as its factorization.

3877377788047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2168506368, while the sum is 76.

The spelling of 3877377788047 in words is "three trillion, eight hundred seventy-seven billion, three hundred seventy-seven million, seven hundred eighty-eight thousand, forty-seven".