540012779 has 2 divisors, whose sum is σ = 540012780. Its totient is φ = 540012778.

The previous prime is 540012773. The next prime is 540012787. The reversal of 540012779 is 977210045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 540012779 - 2²⁸ = 271577323 is a prime.

It is a super-2 number, since 2×540012779² = 583227602966605682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (540012773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270006389 + 270006390.

It is an arithmetic number, because the mean of its divisors is an integer number (270006390).

Almost surely, 2^540012779 is an apocalyptic number.

540012779 is a deficient number, since it is larger than the sum of its proper divisors (1).

540012779 is an equidigital number, since it uses as much as digits as its factorization.

540012779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 540012779 is about 23238.1750359188. The cubic root of 540012779 is about 814.3317085468.

The spelling of 540012779 in words is "five hundred forty million, twelve thousand, seven hundred seventy-nine".