75927797537 has 2 divisors, whose sum is σ = 75927797538. Its totient is φ = 75927797536.

The previous prime is 75927797513. The next prime is 75927797551. The reversal of 75927797537 is 73579772957.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60484516096 + 15443281441 = 245936^2 + 124271^2 .

It is a cyclic number.

It is not a de Polignac number, because 75927797537 - 2¹⁰ = 75927796513 is a prime.

It is not a weakly prime, because it can be changed into another prime (75927797507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37963898768 + 37963898769.

It is an arithmetic number, because the mean of its divisors is an integer number (37963898769).

Almost surely, 2^75927797537 is an apocalyptic number.

It is an amenable number.

75927797537 is a deficient number, since it is larger than the sum of its proper divisors (1).

75927797537 is an equidigital number, since it uses as much as digits as its factorization.

75927797537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 204205050, while the sum is 68.

The spelling of 75927797537 in words is "seventy-five billion, nine hundred twenty-seven million, seven hundred ninety-seven thousand, five hundred thirty-seven".