799999994 has 16 divisors (see below), whose sum is σ = 1221859296. Its totient is φ = 392737200.

The previous prime is 799999987. The next prime is 799999999. The reversal of 799999994 is 499999997.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (799999999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66029 + ... + 77199.

It is an arithmetic number, because the mean of its divisors is an integer number (76366206).

Almost surely, 2^799999994 is an apocalyptic number.

799999994 is a deficient number, since it is larger than the sum of its proper divisors (421859302).

799999994 is a wasteful number, since it uses less digits than its factorization.

799999994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11821.

The product of its digits is 133923132, while the sum is 74.

The square root of 799999994 is about 28284.2711413959. The cubic root of 799999994 is about 928.3177644018.

It can be divided in two parts, 7 and 99999994, that added together give a palindrome (100000001).

The spelling of 799999994 in words is "seven hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-four".