99988873 has 8 divisors (see below), whose sum is σ = 102571560. Its totient is φ = 97413120.

The previous prime is 99988859. The next prime is 99988879. The reversal of 99988873 is 37888999.

It can be written as a sum of positive squares in 4 ways, for example, as 10061584 + 89927289 = 3172^2 + 9483^2 .

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 99988873 - 2¹³ = 99980681 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (99988879) 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, 40161 + ... + 42577.

It is an arithmetic number, because the mean of its divisors is an integer number (12821445).

Almost surely, 2^99988873 is an apocalyptic number.

It is an amenable number.

99988873 is a deficient number, since it is larger than the sum of its proper divisors (2582687).

99988873 is a wasteful number, since it uses less digits than its factorization.

99988873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3467.

The product of its digits is 7838208, while the sum is 61.

The square root of 99988873 is about 9999.4436345229. The cubic root of 99988873 is about 464.1416670697.

The spelling of 99988873 in words is "ninety-nine million, nine hundred eighty-eight thousand, eight hundred seventy-three".