827765116764 has 48 divisors (see below), whose sum is σ = 2115586317600. Its totient is φ = 250736152576.

The previous prime is 827765116723. The next prime is 827765116769. The reversal of 827765116764 is 467611567728.

827765116764 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 827765116698 and 827765116707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (827765116769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69953949 + ... + 69965780.

It is an arithmetic number, because the mean of its divisors is an integer number (44074714950).

Almost surely, 2^827765116764 is an apocalyptic number.

It is an amenable number.

827765116764 is an abundant number, since it is smaller than the sum of its proper divisors (1287821200836).

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

827765116764 is a wasteful number, since it uses less digits than its factorization.

827765116764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139919782 (or 139919780 counting only the distinct ones).

The product of its digits is 23708160, while the sum is 60.

The spelling of 827765116764 in words is "eight hundred twenty-seven billion, seven hundred sixty-five million, one hundred sixteen thousand, seven hundred sixty-four".