798718871 has 4 divisors (see below), whose sum is σ = 845702352. Its totient is φ = 751735392.

The previous prime is 798718853. The next prime is 798718883. The reversal of 798718871 is 178817897.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-798718871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798718891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23491715 + ... + 23491748.

It is an arithmetic number, because the mean of its divisors is an integer number (211425588).

Almost surely, 2^798718871 is an apocalyptic number.

798718871 is a deficient number, since it is larger than the sum of its proper divisors (46983481).

798718871 is a wasteful number, since it uses less digits than its factorization.

798718871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46983480.

The product of its digits is 1580544, while the sum is 56.

The square root of 798718871 is about 28261.6147981675. The cubic root of 798718871 is about 927.8219624611.

The spelling of 798718871 in words is "seven hundred ninety-eight million, seven hundred eighteen thousand, eight hundred seventy-one".