99497858 has 8 divisors (see below), whose sum is σ = 149300220. Its totient is φ = 49731120.

The previous prime is 99497833. The next prime is 99497899. The reversal of 99497858 is 85879499.

It can be written as a sum of positive squares in 2 ways, for example, as 64368529 + 35129329 = 8023^2 + 5927^2 .

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 = 99497797 and 99497806.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233 + ... + 14108.

Almost surely, 2^99497858 is an apocalyptic number.

99497858 is a deficient number, since it is larger than the sum of its proper divisors (49802362).

99497858 is a wasteful number, since it uses less digits than its factorization.

99497858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17812.

The product of its digits is 6531840, while the sum is 59.

The square root of 99497858 is about 9974.8613022939. The cubic root of 99497858 is about 463.3806670872.

The spelling of 99497858 in words is "ninety-nine million, four hundred ninety-seven thousand, eight hundred fifty-eight".