776112225564 has 96 divisors (see below), whose sum is σ = 2019702716416. Its totient is φ = 230347203840.

The previous prime is 776112225563. The next prime is 776112225613. The reversal of 776112225564 is 465522211677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (776112225563) 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, 1223274 + ... + 1746030.

Almost surely, 2^776112225564 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 776112225564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1009851358208).

776112225564 is an abundant number, since it is smaller than the sum of its proper divisors (1243590490852).

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

776112225564 is a wasteful number, since it uses less digits than its factorization.

776112225564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523115 (or 523113 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 48.

The spelling of 776112225564 in words is "seven hundred seventy-six billion, one hundred twelve million, two hundred twenty-five thousand, five hundred sixty-four".