539199077 has 4 divisors (see below), whose sum is σ = 552350316. Its totient is φ = 526047840.

The previous prime is 539199061. The next prime is 539199083. The reversal of 539199077 is 770991935.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 153115876 + 386083201 = 12374^2 + 19649^2 .

It is a cyclic number.

It is not a de Polignac number, because 539199077 - 2⁴ = 539199061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539199007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6575558 + ... + 6575639.

It is an arithmetic number, because the mean of its divisors is an integer number (138087579).

Almost surely, 2^539199077 is an apocalyptic number.

It is an amenable number.

539199077 is a deficient number, since it is larger than the sum of its proper divisors (13151239).

539199077 is a wasteful number, since it uses less digits than its factorization.

539199077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13151238.

The product of its (nonzero) digits is 535815, while the sum is 50.

The square root of 539199077 is about 23220.6605633862. The cubic root of 539199077 is about 813.9224858626.

The spelling of 539199077 in words is "five hundred thirty-nine million, one hundred ninety-nine thousand, seventy-seven".