99560557127 has 2 divisors, whose sum is σ = 99560557128. Its totient is φ = 99560557126.

The previous prime is 99560557121. The next prime is 99560557157. The reversal of 99560557127 is 72175506599.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99560557127 - 2¹⁰ = 99560556103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99560557121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49780278563 + 49780278564.

It is an arithmetic number, because the mean of its divisors is an integer number (49780278564).

Almost surely, 2^99560557127 is an apocalyptic number.

99560557127 is a deficient number, since it is larger than the sum of its proper divisors (1).

99560557127 is an equidigital number, since it uses as much as digits as its factorization.

99560557127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5953500, while the sum is 56.

The spelling of 99560557127 in words is "ninety-nine billion, five hundred sixty million, five hundred fifty-seven thousand, one hundred twenty-seven".