61486537927 has 2 divisors, whose sum is σ = 61486537928. Its totient is φ = 61486537926.

The previous prime is 61486537867. The next prime is 61486537933. The reversal of 61486537927 is 72973568416.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61486537927 - 2⁷ = 61486537799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61486537727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30743268963 + 30743268964.

It is an arithmetic number, because the mean of its divisors is an integer number (30743268964).

Almost surely, 2^61486537927 is an apocalyptic number.

61486537927 is a deficient number, since it is larger than the sum of its proper divisors (1).

61486537927 is an equidigital number, since it uses as much as digits as its factorization.

61486537927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15240960, while the sum is 58.

The spelling of 61486537927 in words is "sixty-one billion, four hundred eighty-six million, five hundred thirty-seven thousand, nine hundred twenty-seven".