99603034839 has 48 divisors (see below), whose sum is σ = 179408496384. Its totient is φ = 51731222400.

The previous prime is 99603034831. The next prime is 99603034873. The reversal of 99603034839 is 93843030699.

It is a happy number.

It is not a de Polignac number, because 99603034839 - 2³ = 99603034831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99603034831) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4259299 + ... + 4282619.

It is an arithmetic number, because the mean of its divisors is an integer number (3737677008).

Almost surely, 2^99603034839 is an apocalyptic number.

99603034839 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

99603034839 is a deficient number, since it is larger than the sum of its proper divisors (79805461545).

99603034839 is a wasteful number, since it uses less digits than its factorization.

99603034839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29508 (or 29505 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 54.

The spelling of 99603034839 in words is "ninety-nine billion, six hundred three million, thirty-four thousand, eight hundred thirty-nine".