538977671 has 2 divisors, whose sum is σ = 538977672. Its totient is φ = 538977670.

The previous prime is 538977667. The next prime is 538977709. The reversal of 538977671 is 176779835.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 538977671 - 2² = 538977667 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538977611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269488835 + 269488836.

It is an arithmetic number, because the mean of its divisors is an integer number (269488836).

Almost surely, 2^538977671 is an apocalyptic number.

538977671 is a deficient number, since it is larger than the sum of its proper divisors (1).

538977671 is an equidigital number, since it uses as much as digits as its factorization.

538977671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2222640, while the sum is 53.

The square root of 538977671 is about 23215.8926384492. The cubic root of 538977671 is about 813.8110662894.

The spelling of 538977671 in words is "five hundred thirty-eight million, nine hundred seventy-seven thousand, six hundred seventy-one".