798887867 has 4 divisors (see below), whose sum is σ = 801408336. Its totient is φ = 796367400.

The previous prime is 798887809. The next prime is 798887893. The reversal of 798887867 is 768788897.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 768788897 = 1949 ⋅394453.

It is not a de Polignac number, because 798887867 - 2¹⁰ = 798886843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 798887797 and 798887806.

It is not an unprimeable number, because it can be changed into a prime (798887807) 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, 1259759 + ... + 1260392.

It is an arithmetic number, because the mean of its divisors is an integer number (200352084).

Almost surely, 2^798887867 is an apocalyptic number.

798887867 is a deficient number, since it is larger than the sum of its proper divisors (2520469).

798887867 is a wasteful number, since it uses less digits than its factorization.

798887867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520468.

The product of its digits is 75866112, while the sum is 68.

The square root of 798887867 is about 28264.6044904223. The cubic root of 798887867 is about 927.8873952221.

The spelling of 798887867 in words is "seven hundred ninety-eight million, eight hundred eighty-seven thousand, eight hundred sixty-seven".