99127555073 has 4 divisors (see below), whose sum is σ = 99185970180. Its totient is φ = 99069139968.

The previous prime is 99127555061. The next prime is 99127555091. The reversal of 99127555073 is 37055572199.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 72023530384 + 27104024689 = 268372^2 + 164633^2 .

It is a cyclic number.

It is not a de Polignac number, because 99127555073 - 2¹⁰ = 99127554049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (99127555013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29205008 + ... + 29208401.

It is an arithmetic number, because the mean of its divisors is an integer number (24796492545).

Almost surely, 2^99127555073 is an apocalyptic number.

It is an amenable number.

99127555073 is a deficient number, since it is larger than the sum of its proper divisors (58415107).

99127555073 is a wasteful number, since it uses less digits than its factorization.

99127555073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58415106.

The product of its (nonzero) digits is 2976750, while the sum is 53.

The spelling of 99127555073 in words is "ninety-nine billion, one hundred twenty-seven million, five hundred fifty-five thousand, seventy-three".