538807977 has 8 divisors (see below), whose sum is σ = 798234080. Its totient is φ = 359205300.

The previous prime is 538807939. The next prime is 538807987. The reversal of 538807977 is 779708835.

It is not a de Polignac number, because 538807977 - 2¹¹ = 538805929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538807987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9977899 + ... + 9977952.

It is an arithmetic number, because the mean of its divisors is an integer number (99779260).

Almost surely, 2^538807977 is an apocalyptic number.

It is an amenable number.

538807977 is a deficient number, since it is larger than the sum of its proper divisors (259426103).

538807977 is a wasteful number, since it uses less digits than its factorization.

538807977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19955860 (or 19955854 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 54.

The square root of 538807977 is about 23212.2376560296. The cubic root of 538807977 is about 813.7256494232.

The spelling of 538807977 in words is "five hundred thirty-eight million, eight hundred seven thousand, nine hundred seventy-seven".