876717807768 has 96 divisors (see below), whose sum is σ = 2592611835840. Its totient is φ = 265435220160.

The previous prime is 876717807731. The next prime is 876717807773. The reversal of 876717807768 is 867708717678.

It is a super-2 number, since 2×876717807768² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 876717807696 and 876717807705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 396555 + ... + 1382277.

It is an arithmetic number, because the mean of its divisors is an integer number (27006373290).

Almost surely, 2^876717807768 is an apocalyptic number.

876717807768 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 876717807768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1296305917920).

876717807768 is an abundant number, since it is smaller than the sum of its proper divisors (1715894028072).

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

876717807768 is a wasteful number, since it uses less digits than its factorization.

876717807768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986869 (or 986862 counting only the distinct ones).

The product of its (nonzero) digits is 309786624, while the sum is 72.

The spelling of 876717807768 in words is "eight hundred seventy-six billion, seven hundred seventeen million, eight hundred seven thousand, seven hundred sixty-eight".