799019066 has 4 divisors (see below), whose sum is σ = 1198528602. Its totient is φ = 399509532.

The previous prime is 799019063. The next prime is 799019099. The reversal of 799019066 is 660910997.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 798345025 + 674041 = 28255^2 + 821^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 799019066.

It is not an unprimeable number, because it can be changed into a prime (799019063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199754765 + ... + 199754768.

Almost surely, 2^799019066 is an apocalyptic number.

799019066 is a deficient number, since it is larger than the sum of its proper divisors (399509536).

799019066 is a wasteful number, since it uses less digits than its factorization.

799019066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399509535.

The product of its (nonzero) digits is 183708, while the sum is 47.

The square root of 799019066 is about 28266.9253014897. The cubic root of 799019066 is about 927.9381871791.

The spelling of 799019066 in words is "seven hundred ninety-nine million, nineteen thousand, sixty-six".