99078818 has 8 divisors (see below), whose sum is σ = 151137360. Its totient is φ = 48699700.

The previous prime is 99078809. The next prime is 99078841. The reversal of 99078818 is 81887099.

It is a happy number.

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

It is a super-2 number, since 2×99078818² = 19633224352554248, which contains 22 as substring.

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, 419708 + ... + 419943.

It is an arithmetic number, because the mean of its divisors is an integer number (18892170).

Almost surely, 2^99078818 is an apocalyptic number.

99078818 is a deficient number, since it is larger than the sum of its proper divisors (52058542).

99078818 is a wasteful number, since it uses less digits than its factorization.

99078818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839712.

The product of its (nonzero) digits is 290304, while the sum is 50.

The square root of 99078818 is about 9953.8343365760. The cubic root of 99078818 is about 462.7292350841.

The spelling of 99078818 in words is "ninety-nine million, seventy-eight thousand, eight hundred eighteen".