99104867557 has 2 divisors, whose sum is σ = 99104867558. Its totient is φ = 99104867556.

The previous prime is 99104867527. The next prime is 99104867569. The reversal of 99104867557 is 75576840199.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90173483521 + 8931384036 = 300289^2 + 94506^2 .

It is a cyclic number.

It is not a de Polignac number, because 99104867557 - 2¹⁵ = 99104834789 is a prime.

It is a super-2 number, since 2×99104867557² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99104867495 and 99104867504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99104867527) 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, 49552433778 + 49552433779.

It is an arithmetic number, because the mean of its divisors is an integer number (49552433779).

Almost surely, 2^99104867557 is an apocalyptic number.

It is an amenable number.

99104867557 is a deficient number, since it is larger than the sum of its proper divisors (1).

99104867557 is an equidigital number, since it uses as much as digits as its factorization.

99104867557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19051200, while the sum is 61.

The spelling of 99104867557 in words is "ninety-nine billion, one hundred four million, eight hundred sixty-seven thousand, five hundred fifty-seven".