27483943987 has 2 divisors, whose sum is σ = 27483943988. Its totient is φ = 27483943986.

The previous prime is 27483943967. The next prime is 27483943997. The reversal of 27483943987 is 78934938472.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27483943987 - 2²³ = 27475555379 is a prime.

It is not a weakly prime, because it can be changed into another prime (27483943937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13741971993 + 13741971994.

It is an arithmetic number, because the mean of its divisors is an integer number (13741971994).

Almost surely, 2^27483943987 is an apocalyptic number.

27483943987 is a deficient number, since it is larger than the sum of its proper divisors (1).

27483943987 is an equidigital number, since it uses as much as digits as its factorization.

27483943987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73156608, while the sum is 64.

The spelling of 27483943987 in words is "twenty-seven billion, four hundred eighty-three million, nine hundred forty-three thousand, nine hundred eighty-seven".