1979482977487 has 2 divisors, whose sum is σ = 1979482977488. Its totient is φ = 1979482977486.

The previous prime is 1979482977413. The next prime is 1979482977539. The reversal of 1979482977487 is 7847792849791.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1979482977487 - 2¹⁹ = 1979482453199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1979482977487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1979482977287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 989741488743 + 989741488744.

It is an arithmetic number, because the mean of its divisors is an integer number (989741488744).

Almost surely, 2^{1979482977487} is an apocalyptic number.

1979482977487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1979482977487 is an equidigital number, since it uses as much as digits as its factorization.

1979482977487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3584673792, while the sum is 82.

The spelling of 1979482977487 in words is "one trillion, nine hundred seventy-nine billion, four hundred eighty-two million, nine hundred seventy-seven thousand, four hundred eighty-seven".