999999058 has 8 divisors (see below), whose sum is σ = 1588233852. Its totient is φ = 470587776.

The previous prime is 999999043. The next prime is 999999059. The reversal of 999999058 is 850999999.

It can be written as a sum of positive squares in 2 ways, for example, as 919484329 + 80514729 = 30323^2 + 8973^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 999998984 and 999999002.

It is not an unprimeable number, because it can be changed into a prime (999999059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14705835 + ... + 14705902.

Almost surely, 2^999999058 is an apocalyptic number.

999999058 is a deficient number, since it is larger than the sum of its proper divisors (588234794).

999999058 is a wasteful number, since it uses less digits than its factorization.

999999058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29411756.

The product of its (nonzero) digits is 21257640, while the sum is 67.

The square root of 999999058 is about 31622.7617073525. The cubic root of 999999058 is about 999.9996859999. Note that the first 3 decimals are identical.

The spelling of 999999058 in words is "nine hundred ninety-nine million, nine hundred ninety-nine thousand, fifty-eight".