798639994 has 16 divisors (see below), whose sum is σ = 1262939328. Its totient is φ = 378018432.

The previous prime is 798639979. The next prime is 798640001. The reversal of 798639994 is 499936897.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85032 + ... + 93955.

It is an arithmetic number, because the mean of its divisors is an integer number (78933708).

Almost surely, 2^798639994 is an apocalyptic number.

798639994 is a deficient number, since it is larger than the sum of its proper divisors (464299334).

798639994 is a wasteful number, since it uses less digits than its factorization.

798639994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179109.

The product of its digits is 26453952, while the sum is 64.

The square root of 798639994 is about 28260.2192843580. The cubic root of 798639994 is about 927.7914192896.

The spelling of 798639994 in words is "seven hundred ninety-eight million, six hundred thirty-nine thousand, nine hundred ninety-four".