99858528097 has 2 divisors, whose sum is σ = 99858528098. Its totient is φ = 99858528096.

The previous prime is 99858528089. The next prime is 99858528113. The reversal of 99858528097 is 79082585899.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99858528016 + 81 = 316004^2 + 9^2 .

It is a cyclic number.

It is not a de Polignac number, because 99858528097 - 2³ = 99858528089 is a prime.

It is not a weakly prime, because it can be changed into another prime (99858528797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49929264048 + 49929264049.

It is an arithmetic number, because the mean of its divisors is an integer number (49929264049).

Almost surely, 2^99858528097 is an apocalyptic number.

It is an amenable number.

99858528097 is a deficient number, since it is larger than the sum of its proper divisors (1).

99858528097 is an equidigital number, since it uses as much as digits as its factorization.

99858528097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 130636800, while the sum is 70.

The spelling of 99858528097 in words is "ninety-nine billion, eight hundred fifty-eight million, five hundred twenty-eight thousand, ninety-seven".