538860779 has 2 divisors, whose sum is σ = 538860780. Its totient is φ = 538860778.

The previous prime is 538860769. The next prime is 538860787. The reversal of 538860779 is 977068835.

538860779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 538860779 - 2¹² = 538856683 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 538860779.

It is not a weakly prime, because it can be changed into another prime (538860719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269430389 + 269430390.

It is an arithmetic number, because the mean of its divisors is an integer number (269430390).

Almost surely, 2^538860779 is an apocalyptic number.

538860779 is a deficient number, since it is larger than the sum of its proper divisors (1).

538860779 is an equidigital number, since it uses as much as digits as its factorization.

538860779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The square root of 538860779 is about 23213.3750023559. The cubic root of 538860779 is about 813.7522296646.

The spelling of 538860779 in words is "five hundred thirty-eight million, eight hundred sixty thousand, seven hundred seventy-nine".