99955127 has 4 divisors (see below), whose sum is σ = 100238640. Its totient is φ = 99671616.

The previous prime is 99955123. The next prime is 99955133. The reversal of 99955127 is 72155999.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72155999 = 389 ⋅185491.

It is a cyclic number.

It is not a de Polignac number, because 99955127 - 2² = 99955123 is a prime.

It is a super-2 number, since 2×99955127² = 19982054827172258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99955123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141227 + ... + 141932.

It is an arithmetic number, because the mean of its divisors is an integer number (25059660).

Almost surely, 2^99955127 is an apocalyptic number.

99955127 is a deficient number, since it is larger than the sum of its proper divisors (283513).

99955127 is a wasteful number, since it uses less digits than its factorization.

99955127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283512.

The product of its digits is 255150, while the sum is 47.

The square root of 99955127 is about 9997.7560982452. The cubic root of 99955127 is about 464.0894456354.

The spelling of 99955127 in words is "ninety-nine million, nine hundred fifty-five thousand, one hundred twenty-seven".