538946777 has 2 divisors, whose sum is σ = 538946778. Its totient is φ = 538946776.

The previous prime is 538946747. The next prime is 538946783. The reversal of 538946777 is 777649835.

538946777 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 can be written as a sum of positive squares in only one way, i.e., 537126976 + 1819801 = 23176^2 + 1349^2 .

It is a cyclic number.

It is not a de Polignac number, because 538946777 - 2⁶ = 538946713 is a prime.

It is a super-3 number, since 3×538946777³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (538946747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269473388 + 269473389.

It is an arithmetic number, because the mean of its divisors is an integer number (269473389).

Almost surely, 2^538946777 is an apocalyptic number.

It is an amenable number.

538946777 is a deficient number, since it is larger than the sum of its proper divisors (1).

538946777 is an equidigital number, since it uses as much as digits as its factorization.

538946777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8890560, while the sum is 56.

The square root of 538946777 is about 23215.2272657409. The cubic root of 538946777 is about 813.7955168762.

The spelling of 538946777 in words is "five hundred thirty-eight million, nine hundred forty-six thousand, seven hundred seventy-seven".