5587742861 has 2 divisors, whose sum is σ = 5587742862. Its totient is φ = 5587742860.

The previous prime is 5587742837. The next prime is 5587742891. The reversal of 5587742861 is 1682477855.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4665709636 + 922033225 = 68306^2 + 30365^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5587742861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5587742821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2793871430 + 2793871431.

It is an arithmetic number, because the mean of its divisors is an integer number (2793871431).

Almost surely, 2^5587742861 is an apocalyptic number.

It is an amenable number.

5587742861 is a deficient number, since it is larger than the sum of its proper divisors (1).

5587742861 is an equidigital number, since it uses as much as digits as its factorization.

5587742861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3763200, while the sum is 53.

The square root of 5587742861 is about 74751.2064183582. The cubic root of 5587742861 is about 1774.5114424493.

The spelling of 5587742861 in words is "five billion, five hundred eighty-seven million, seven hundred forty-two thousand, eight hundred sixty-one".