8164752538427 has 2 divisors, whose sum is σ = 8164752538428. Its totient is φ = 8164752538426.

The previous prime is 8164752538361. The next prime is 8164752538457. The reversal of 8164752538427 is 7248352574618.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8164752538427 is a prime.

It is a super-2 number, since 2×8164752538427² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8164752538427.

It is not a weakly prime, because it can be changed into another prime (8164752538457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4082376269213 + 4082376269214.

It is an arithmetic number, because the mean of its divisors is an integer number (4082376269214).

Almost surely, 2^{8164752538427} is an apocalyptic number.

8164752538427 is a deficient number, since it is larger than the sum of its proper divisors (1).

8164752538427 is an equidigital number, since it uses as much as digits as its factorization.

8164752538427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90316800, while the sum is 62.

The spelling of 8164752538427 in words is "eight trillion, one hundred sixty-four billion, seven hundred fifty-two million, five hundred thirty-eight thousand, four hundred twenty-seven".