99958599585999 has 64 divisors (see below), whose sum is σ = 184655796341760. Its totient is φ = 51918647760000.

The previous prime is 99958599585991. The next prime is 99958599586033.

99958599585999 is nontrivially palindromic in base 10.

99958599585999 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 99958599585999 - 2³ = 99958599585991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99958599585999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99958599585991) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10028949 + ... + 17334849.

It is an arithmetic number, because the mean of its divisors is an integer number (2885246817840).

Almost surely, 2^{99958599585999} is an apocalyptic number.

99958599585999 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

99958599585999 is a deficient number, since it is larger than the sum of its proper divisors (84697196755761).

99958599585999 is a wasteful number, since it uses less digits than its factorization.

99958599585999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7312509 (or 7312503 counting only the distinct ones).

The product of its digits is 1721868840000, while the sum is 108.

The spelling of 99958599585999 in words is "ninety-nine trillion, nine hundred fifty-eight billion, five hundred ninety-nine million, five hundred eighty-five thousand, nine hundred ninety-nine".