8774444778 has 64 divisors (see below), whose sum is σ = 19372953600. Its totient is φ = 2627343360.

The previous prime is 8774444761. The next prime is 8774444779.

8774444778 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (8774444779) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2043658 + ... + 2047946.

It is an arithmetic number, because the mean of its divisors is an integer number (302702400).

Almost surely, 2^8774444778 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8774444778, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9686476800).

8774444778 is an abundant number, since it is smaller than the sum of its proper divisors (10598508822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8774444778 is a wasteful number, since it uses less digits than its factorization.

8774444778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4667.

The product of its digits is 39337984, while the sum is 60.

The square root of 8774444778 is about 93672.0063733024. The cubic root of 8774444778 is about 2062.5597972158.

The spelling of 8774444778 in words is "eight billion, seven hundred seventy-four million, four hundred forty-four thousand, seven hundred seventy-eight".