774222863976 has 128 divisors (see below), whose sum is σ = 2220787200000. Its totient is φ = 249660066240.

The previous prime is 774222863963. The next prime is 774222863977. The reversal of 774222863976 is 679368222477.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (774222863977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20196075 + ... + 20234373.

It is an arithmetic number, because the mean of its divisors is an integer number (17349900000).

Almost surely, 2^774222863976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 774222863976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1110393600000).

774222863976 is an abundant number, since it is smaller than the sum of its proper divisors (1446564336024).

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

774222863976 is a wasteful number, since it uses less digits than its factorization.

774222863976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41364 (or 41354 counting only the distinct ones).

The product of its digits is 85349376, while the sum is 63.

The spelling of 774222863976 in words is "seven hundred seventy-four billion, two hundred twenty-two million, eight hundred sixty-three thousand, nine hundred seventy-six".