3873772487047 has 2 divisors, whose sum is σ = 3873772487048. Its totient is φ = 3873772487046.

The previous prime is 3873772486999. The next prime is 3873772487077. The reversal of 3873772487047 is 7407842773783.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3873772487047 - 2¹⁹ = 3873771962759 is a prime.

It is a super-2 number, since 2×3873772487047² (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 (3873772487077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1936886243523 + 1936886243524.

It is an arithmetic number, because the mean of its divisors is an integer number (1936886243524).

Almost surely, 2^{3873772487047} is an apocalyptic number.

3873772487047 is a deficient number, since it is larger than the sum of its proper divisors (1).

3873772487047 is an equidigital number, since it uses as much as digits as its factorization.

3873772487047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 309786624, while the sum is 67.

The spelling of 3873772487047 in words is "three trillion, eight hundred seventy-three billion, seven hundred seventy-two million, four hundred eighty-seven thousand, forty-seven".