5720057687 has 2 divisors, whose sum is σ = 5720057688. Its totient is φ = 5720057686.

The previous prime is 5720057663. The next prime is 5720057713. The reversal of 5720057687 is 7867500275.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5720057687 - 2²⁰ = 5719009111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5720057087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2860028843 + 2860028844.

It is an arithmetic number, because the mean of its divisors is an integer number (2860028844).

Almost surely, 2^5720057687 is an apocalyptic number.

5720057687 is a deficient number, since it is larger than the sum of its proper divisors (1).

5720057687 is an equidigital number, since it uses as much as digits as its factorization.

5720057687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 823200, while the sum is 47.

The square root of 5720057687 is about 75631.0629767955. The cubic root of 5720057687 is about 1788.4088194255.

The spelling of 5720057687 in words is "five billion, seven hundred twenty million, fifty-seven thousand, six hundred eighty-seven".