99958085999 has 8 divisors (see below), whose sum is σ = 100643430288. Its totient is φ = 99273358080.

The previous prime is 99958085917. The next prime is 99958086017.

99958085999 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99958085999 - 2⁸ = 99958085743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99958085299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173744 + ... + 479690.

It is an arithmetic number, because the mean of its divisors is an integer number (12580428786).

Almost surely, 2^99958085999 is an apocalyptic number.

99958085999 is a deficient number, since it is larger than the sum of its proper divisors (685344289).

99958085999 is a wasteful number, since it uses less digits than its factorization.

99958085999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308185.

The product of its (nonzero) digits is 850305600, while the sum is 80.

The spelling of 99958085999 in words is "ninety-nine billion, nine hundred fifty-eight million, eighty-five thousand, nine hundred ninety-nine".