799109154 has 24 divisors (see below), whose sum is σ = 1737850140. Its totient is φ = 265377888.

The previous prime is 799109153. The next prime is 799109159. The reversal of 799109154 is 451901997.

It can be written as a sum of positive squares in 2 ways, for example, as 788317929 + 10791225 = 28077^2 + 3285^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (799109153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77677 + ... + 87360.

Almost surely, 2^799109154 is an apocalyptic number.

799109154 is an abundant number, since it is smaller than the sum of its proper divisors (938740986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

799109154 is a wasteful number, since it uses less digits than its factorization.

799109154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165314 (or 165311 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 45.

The square root of 799109154 is about 28268.5187797309. The cubic root of 799109154 is about 927.9730603369.

The spelling of 799109154 in words is "seven hundred ninety-nine million, one hundred nine thousand, one hundred fifty-four".