799876666 has 16 divisors (see below), whose sum is σ = 1243887840. Its totient is φ = 385307440.

The previous prime is 799876633. The next prime is 799876709. The reversal of 799876666 is 666678997.

It is a super-2 number, since 2×799876666² = 1279605361622551112, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 799876598 and 799876607.

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 7 ways as a sum of consecutive naturals, for example, 12321 + ... + 41851.

It is an arithmetic number, because the mean of its divisors is an integer number (77742990).

Almost surely, 2^799876666 is an apocalyptic number.

799876666 is a deficient number, since it is larger than the sum of its proper divisors (444011174).

799876666 is a wasteful number, since it uses less digits than its factorization.

799876666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30029.

The product of its digits is 41150592, while the sum is 64.

The square root of 799876666 is about 28282.0909057304. The cubic root of 799876666 is about 928.2700587944.

The spelling of 799876666 in words is "seven hundred ninety-nine million, eight hundred seventy-six thousand, six hundred sixty-six".