8779339778 has 16 divisors (see below), whose sum is σ = 14369283360. Its totient is φ = 3989750400.

The previous prime is 8779339769. The next prime is 8779339837.

8779339778 is nontrivially palindromic in base 10.

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, 68018 + ... + 148946.

It is an arithmetic number, because the mean of its divisors is an integer number (898080210).

Almost surely, 2^8779339778 is an apocalyptic number.

8779339778 is a deficient number, since it is larger than the sum of its proper divisors (5589943582).

8779339778 is a wasteful number, since it uses less digits than its factorization.

8779339778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85873.

The product of its digits is 112021056, while the sum is 68.

The square root of 8779339778 is about 93698.1311339773. The cubic root of 8779339778 is about 2062.9432726980.

The spelling of 8779339778 in words is "eight billion, seven hundred seventy-nine million, three hundred thirty-nine thousand, seven hundred seventy-eight".