99999058 has 4 divisors (see below), whose sum is σ = 149998590.
Its totient is φ = 49999528.
The previous prime is 99999043. The next prime is 99999073. The reversal of 99999058 is 85099999.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85099999 = 577 ⋅147487.
It is an interprime number because it is at equal distance from previous prime (99999043) and next prime (99999073).
It can be written as a sum of positive squares in only one way, i.e., 99940009 + 59049 = 9997^2 + 243^2
It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a junction number, because it is equal to n+sod(n) for n = 99998993 and 99999011.
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 as a sum of consecutive naturals, namely, 24999763 + ... + 24999766.
Almost surely, 299999058 is an apocalyptic number.
99999058 is a deficient number, since it is larger than the sum of its proper divisors (49999532).
99999058 is a wasteful number, since it uses less digits than its factorization.
99999058 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49999531.
The product of its (nonzero) digits is 2361960, while the sum is 58.
The square root of 99999058 is about 9999.9528998891.
The cubic root of 99999058 is about 464.1574258978.
The spelling of 99999058 in words is "ninety-nine million, nine hundred ninety-nine thousand, fifty-eight".