99888143 has 2 divisors, whose sum is σ = 99888144. Its totient is φ = 99888142.

The previous prime is 99888133. The next prime is 99888157. The reversal of 99888143 is 34188899.

It is a weak prime.

It is an emirp because it is prime and its reverse (34188899) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99888143 - 2¹⁰ = 99887119 is a prime.

It is a super-2 number, since 2×99888143² = 19955282223976898, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99888091 and 99888100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99888133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49944071 + 49944072.

It is an arithmetic number, because the mean of its divisors is an integer number (49944072).

Almost surely, 2^99888143 is an apocalyptic number.

99888143 is a deficient number, since it is larger than the sum of its proper divisors (1).

99888143 is an equidigital number, since it uses as much as digits as its factorization.

99888143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497664, while the sum is 50.

The square root of 99888143 is about 9994.4055851261. The cubic root of 99888143 is about 463.9857540588.

The spelling of 99888143 in words is "ninety-nine million, eight hundred eighty-eight thousand, one hundred forty-three".