8778888778 has 16 divisors (see below), whose sum is σ = 14367616704. Its totient is φ = 3989803360.

The previous prime is 8778888751. The next prime is 8778888779.

8778888778 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (8778888779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141126 + ... + 193582.

It is an arithmetic number, because the mean of its divisors is an integer number (897976044).

Almost surely, 2^8778888778 is an apocalyptic number.

8778888778 is a deficient number, since it is larger than the sum of its proper divisors (5588727926).

8778888778 is a wasteful number, since it uses less digits than its factorization.

8778888778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60077.

The product of its digits is 629407744, while the sum is 76.

The square root of 8778888778 is about 93695.7244382048. The cubic root of 8778888778 is about 2062.9079472115.

The spelling of 8778888778 in words is "eight billion, seven hundred seventy-eight million, eight hundred eighty-eight thousand, seven hundred seventy-eight".