99942845907 has 8 divisors (see below), whose sum is σ = 135133989120. Its totient is φ = 65690133320.

The previous prime is 99942845903. The next prime is 99942845909. The reversal of 99942845907 is 70954824999.

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 99942845907 - 2² = 99942845903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99942845903) 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, 234607407 + ... + 234607832.

It is an arithmetic number, because the mean of its divisors is an integer number (16891748640).

Almost surely, 2^99942845907 is an apocalyptic number.

99942845907 is a deficient number, since it is larger than the sum of its proper divisors (35191143213).

99942845907 is a wasteful number, since it uses less digits than its factorization.

99942845907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469215313.

The product of its (nonzero) digits is 58786560, while the sum is 66.

The spelling of 99942845907 in words is "ninety-nine billion, nine hundred forty-two million, eight hundred forty-five thousand, nine hundred seven".