798980889 has 16 divisors (see below), whose sum is σ = 1219325312. Its totient is φ = 455874048.

The previous prime is 798980843. The next prime is 798980911. The reversal of 798980889 is 988089897.

It is not a de Polignac number, because 798980889 - 2¹² = 798976793 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (798980789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14134 + ... + 42399.

It is an arithmetic number, because the mean of its divisors is an integer number (76207832).

Almost surely, 2^798980889 is an apocalyptic number.

It is an amenable number.

798980889 is a deficient number, since it is larger than the sum of its proper divisors (420344423).

798980889 is a wasteful number, since it uses less digits than its factorization.

798980889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57216.

The product of its (nonzero) digits is 20901888, while the sum is 66.

The square root of 798980889 is about 28266.2499988944. The cubic root of 798980889 is about 927.9234080323.

It can be divided in two parts, 7989808 and 89, that added together give a palindrome (7989897).

The spelling of 798980889 in words is "seven hundred ninety-eight million, nine hundred eighty thousand, eight hundred eighty-nine".