27154727783 has 2 divisors, whose sum is σ = 27154727784. Its totient is φ = 27154727782.

The previous prime is 27154727773. The next prime is 27154727833. The reversal of 27154727783 is 38772745172.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27154727783 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27154727773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13577363891 + 13577363892.

It is an arithmetic number, because the mean of its divisors is an integer number (13577363892).

Almost surely, 2^27154727783 is an apocalyptic number.

27154727783 is a deficient number, since it is larger than the sum of its proper divisors (1).

27154727783 is an equidigital number, since it uses as much as digits as its factorization.

27154727783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4609920, while the sum is 53.

The spelling of 27154727783 in words is "twenty-seven billion, one hundred fifty-four million, seven hundred twenty-seven thousand, seven hundred eighty-three".