99727111332437 has 2 divisors, whose sum is σ = 99727111332438. Its totient is φ = 99727111332436.

The previous prime is 99727111332389. The next prime is 99727111332451. The reversal of 99727111332437 is 73423311172799.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99271910133841 + 455201198596 = 9963529^2 + 674686^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99727111332437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99727111332487) 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, 49863555666218 + 49863555666219.

It is an arithmetic number, because the mean of its divisors is an integer number (49863555666219).

Almost surely, 2^{99727111332437} is an apocalyptic number.

It is an amenable number.

99727111332437 is a deficient number, since it is larger than the sum of its proper divisors (1).

99727111332437 is an equidigital number, since it uses as much as digits as its factorization.

99727111332437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12002256, while the sum is 59.

The spelling of 99727111332437 in words is "ninety-nine trillion, seven hundred twenty-seven billion, one hundred eleven million, three hundred thirty-two thousand, four hundred thirty-seven".