2734640087 has 2 divisors, whose sum is σ = 2734640088. Its totient is φ = 2734640086.

The previous prime is 2734640053. The next prime is 2734640089. The reversal of 2734640087 is 7800464372.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2734640087 - 2⁶ = 2734640023 is a prime.

Together with 2734640089, 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 (2734640089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1367320043 + 1367320044.

It is an arithmetic number, because the mean of its divisors is an integer number (1367320044).

Almost surely, 2^2734640087 is an apocalyptic number.

2734640087 is a deficient number, since it is larger than the sum of its proper divisors (1).

2734640087 is an equidigital number, since it uses as much as digits as its factorization.

2734640087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 41.

The square root of 2734640087 is about 52293.7863134809. The cubic root of 2734640087 is about 1398.4063646971.

The spelling of 2734640087 in words is "two billion, seven hundred thirty-four million, six hundred forty thousand, eighty-seven".