99385974737 has 16 divisors (see below), whose sum is σ = 113876243712. Its totient is φ = 84969051840.

The previous prime is 99385974661. The next prime is 99385974749. The reversal of 99385974737 is 73747958399.

It is a cyclic number.

It is not a de Polignac number, because 99385974737 - 2¹² = 99385970641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99385974937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4613363 + ... + 4634855.

It is an arithmetic number, because the mean of its divisors is an integer number (7117265232).

Almost surely, 2^99385974737 is an apocalyptic number.

It is an amenable number.

99385974737 is a deficient number, since it is larger than the sum of its proper divisors (14490268975).

99385974737 is a wasteful number, since it uses less digits than its factorization.

99385974737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23168.

The product of its digits is 360067680, while the sum is 71.

The spelling of 99385974737 in words is "ninety-nine billion, three hundred eighty-five million, nine hundred seventy-four thousand, seven hundred thirty-seven".