5679778487 has 2 divisors, whose sum is σ = 5679778488. Its totient is φ = 5679778486.

The previous prime is 5679778483. The next prime is 5679778519. The reversal of 5679778487 is 7848779765.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5679778487 - 2² = 5679778483 is a prime.

It is a super-2 number, since 2×5679778487² = 64519767322776018338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5679778483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2839889243 + 2839889244.

It is an arithmetic number, because the mean of its divisors is an integer number (2839889244).

Almost surely, 2^5679778487 is an apocalyptic number.

5679778487 is a deficient number, since it is larger than the sum of its proper divisors (1).

5679778487 is an equidigital number, since it uses as much as digits as its factorization.

5679778487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165957120, while the sum is 68.

The square root of 5679778487 is about 75364.3051251718. The cubic root of 5679778487 is about 1784.2010864071.

The spelling of 5679778487 in words is "five billion, six hundred seventy-nine million, seven hundred seventy-eight thousand, four hundred eighty-seven".