5427665687 has 2 divisors, whose sum is σ = 5427665688. Its totient is φ = 5427665686.

The previous prime is 5427665651. The next prime is 5427665689. The reversal of 5427665687 is 7865667245.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5427665687 - 2⁸ = 5427665431 is a prime.

Together with 5427665689, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5427665689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2713832843 + 2713832844.

It is an arithmetic number, because the mean of its divisors is an integer number (2713832844).

Almost surely, 2^5427665687 is an apocalyptic number.

5427665687 is a deficient number, since it is larger than the sum of its proper divisors (1).

5427665687 is an equidigital number, since it uses as much as digits as its factorization.

5427665687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16934400, while the sum is 56.

The square root of 5427665687 is about 73672.6929533596. The cubic root of 5427665687 is about 1757.4016504221.

The spelling of 5427665687 in words is "five billion, four hundred twenty-seven million, six hundred sixty-five thousand, six hundred eighty-seven".