99917468587 has 2 divisors, whose sum is σ = 99917468588. Its totient is φ = 99917468586.

The previous prime is 99917468471. The next prime is 99917468593. The reversal of 99917468587 is 78586471999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99917468587 - 2⁷ = 99917468459 is a prime.

It is not a weakly prime, because it can be changed into another prime (99917468597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49958734293 + 49958734294.

It is an arithmetic number, because the mean of its divisors is an integer number (49958734294).

Almost surely, 2^99917468587 is an apocalyptic number.

99917468587 is a deficient number, since it is larger than the sum of its proper divisors (1).

99917468587 is an equidigital number, since it uses as much as digits as its factorization.

99917468587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 274337280, while the sum is 73.

The spelling of 99917468587 in words is "ninety-nine billion, nine hundred seventeen million, four hundred sixty-eight thousand, five hundred eighty-seven".