774426664110 has 128 divisors (see below), whose sum is σ = 2047125312000. Its totient is φ = 185938296320.

The previous prime is 774426664051. The next prime is 774426664111. The reversal of 774426664110 is 11466624477.

It is a self number, because there is not a number n which added to its sum of digits gives 774426664110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (774426664111) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17039296 + ... + 17084684.

It is an arithmetic number, because the mean of its divisors is an integer number (15993166500).

Almost surely, 2^774426664110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 774426664110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1023562656000).

774426664110 is an abundant number, since it is smaller than the sum of its proper divisors (1272698647890).

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

774426664110 is a wasteful number, since it uses less digits than its factorization.

774426664110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45906.

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 774426664110 in words is "seven hundred seventy-four billion, four hundred twenty-six million, six hundred sixty-four thousand, one hundred ten".