99860050 has 48 divisors (see below), whose sum is σ = 195467400. Its totient is φ = 37900800.

The previous prime is 99860041. The next prime is 99860107. The reversal of 99860050 is 5006899.

It is a Cunningham number, because it is equal to 9993²+1.

It can be written as a sum of positive squares in 12 ways, for example, as 7834401 + 92025649 = 2799^2 + 9593^2 .

It is a junction number, because it is equal to n+sod(n) for n = 99859991 and 99860009.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 87886 + ... + 89014.

Almost surely, 2^99860050 is an apocalyptic number.

99860050 is a deficient number, since it is larger than the sum of its proper divisors (95607350).

99860050 is a wasteful number, since it uses less digits than its factorization.

99860050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231 (or 1226 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 99860050 is about 9993.0000500350. Note that the first 4 decimals coincide. The cubic root of 99860050 is about 463.9422521523.

The spelling of 99860050 in words is "ninety-nine million, eight hundred sixty thousand, fifty".