2156288327 has 2 divisors, whose sum is σ = 2156288328. Its totient is φ = 2156288326.

The previous prime is 2156288317. The next prime is 2156288401. The reversal of 2156288327 is 7238826512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2156288327 - 2³⁰ = 1082546503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2156288317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1078144163 + 1078144164.

It is an arithmetic number, because the mean of its divisors is an integer number (1078144164).

Almost surely, 2^2156288327 is an apocalyptic number.

2156288327 is a deficient number, since it is larger than the sum of its proper divisors (1).

2156288327 is an equidigital number, since it uses as much as digits as its factorization.

2156288327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 44.

The square root of 2156288327 is about 46435.8517419461. The cubic root of 2156288327 is about 1291.9199675574.

The spelling of 2156288327 in words is "two billion, one hundred fifty-six million, two hundred eighty-eight thousand, three hundred twenty-seven".