8777876640 has 192 divisors, whose sum is σ = 29866185216. Its totient is φ = 2154258432.

The previous prime is 8777876617. The next prime is 8777876647. The reversal of 8777876640 is 466787778.

It is a super-2 number, since 2×8777876640² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is not an unprimeable number, because it can be changed into a prime (8777876647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2288164 + ... + 2291996.

It is an arithmetic number, because the mean of its divisors is an integer number (155553048).

Almost surely, 2^8777876640 is an apocalyptic number.

8777876640 is a gapful number since it is divisible by the number (80) 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 8777876640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14933092608).

8777876640 is an abundant number, since it is smaller than the sum of its proper divisors (21088308576).

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

8777876640 is a wasteful number, since it uses less digits than its factorization.

8777876640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4231 (or 4223 counting only the distinct ones).

The product of its (nonzero) digits is 22127616, while the sum is 60.

The square root of 8777876640 is about 93690.3230862185. The cubic root of 8777876640 is about 2062.8286650524.

The spelling of 8777876640 in words is "eight billion, seven hundred seventy-seven million, eight hundred seventy-six thousand, six hundred forty".