27857045351 has 2 divisors, whose sum is σ = 27857045352. Its totient is φ = 27857045350.

The previous prime is 27857045347. The next prime is 27857045383. The reversal of 27857045351 is 15354075872.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27857045351 - 2² = 27857045347 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27857045296 and 27857045305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27857041351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13928522675 + 13928522676.

It is an arithmetic number, because the mean of its divisors is an integer number (13928522676).

Almost surely, 2^27857045351 is an apocalyptic number.

27857045351 is a deficient number, since it is larger than the sum of its proper divisors (1).

27857045351 is an equidigital number, since it uses as much as digits as its factorization.

27857045351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176000, while the sum is 47.

The spelling of 27857045351 in words is "twenty-seven billion, eight hundred fifty-seven million, forty-five thousand, three hundred fifty-one".