387971345711 has 2 divisors, whose sum is σ = 387971345712. Its totient is φ = 387971345710.

The previous prime is 387971345687. The next prime is 387971345803. The reversal of 387971345711 is 117543179783.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 387971345711 - 2³⁰ = 386897603887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (387971345911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193985672855 + 193985672856.

It is an arithmetic number, because the mean of its divisors is an integer number (193985672856).

Almost surely, 2^387971345711 is an apocalyptic number.

387971345711 is a deficient number, since it is larger than the sum of its proper divisors (1).

387971345711 is an equidigital number, since it uses as much as digits as its factorization.

387971345711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4445280, while the sum is 56.

The spelling of 387971345711 in words is "three hundred eighty-seven billion, nine hundred seventy-one million, three hundred forty-five thousand, seven hundred eleven".