2047487839 has 2 divisors, whose sum is σ = 2047487840. Its totient is φ = 2047487838.

The previous prime is 2047487831. The next prime is 2047487843. The reversal of 2047487839 is 9387847402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2047487839 - 2³ = 2047487831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2047487831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1023743919 + 1023743920.

It is an arithmetic number, because the mean of its divisors is an integer number (1023743920).

Almost surely, 2^2047487839 is an apocalyptic number.

2047487839 is a deficient number, since it is larger than the sum of its proper divisors (1).

2047487839 is an equidigital number, since it uses as much as digits as its factorization.

2047487839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2709504, while the sum is 52.

The square root of 2047487839 is about 45249.1750090540. The cubic root of 2047487839 is about 1269.8149727345.

The spelling of 2047487839 in words is "two billion, forty-seven million, four hundred eighty-seven thousand, eight hundred thirty-nine".