387108047 has 2 divisors, whose sum is σ = 387108048. Its totient is φ = 387108046.

The previous prime is 387108041. The next prime is 387108077. The reversal of 387108047 is 740801783.

It is a weak prime.

It is an emirp because it is prime and its reverse (740801783) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 387108047 - 2¹⁰ = 387107023 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 387108047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (387108041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193554023 + 193554024.

It is an arithmetic number, because the mean of its divisors is an integer number (193554024).

Almost surely, 2^387108047 is an apocalyptic number.

387108047 is a deficient number, since it is larger than the sum of its proper divisors (1).

387108047 is an equidigital number, since it uses as much as digits as its factorization.

387108047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 387108047 is about 19675.0615500943. The cubic root of 387108047 is about 728.8039757132.

The spelling of 387108047 in words is "three hundred eighty-seven million, one hundred eight thousand, forty-seven".