2678793511 has 2 divisors, whose sum is σ = 2678793512. Its totient is φ = 2678793510.

The previous prime is 2678793457. The next prime is 2678793517. The reversal of 2678793511 is 1153978762.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2678793511 - 2¹¹ = 2678791463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2678793517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1339396755 + 1339396756.

It is an arithmetic number, because the mean of its divisors is an integer number (1339396756).

Almost surely, 2^2678793511 is an apocalyptic number.

2678793511 is a deficient number, since it is larger than the sum of its proper divisors (1).

2678793511 is an equidigital number, since it uses as much as digits as its factorization.

2678793511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 49.

The square root of 2678793511 is about 51757.0624263008. The cubic root of 2678793511 is about 1388.8214413514.

The spelling of 2678793511 in words is "two billion, six hundred seventy-eight million, seven hundred ninety-three thousand, five hundred eleven".