8108922864 has 80 divisors (see below), whose sum is σ = 24009574400. Its totient is φ = 2310163200.

The previous prime is 8108922863. The next prime is 8108922869. The reversal of 8108922864 is 4682298018.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8108922863) 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, 82689 + ... + 151839.

It is an arithmetic number, because the mean of its divisors is an integer number (300119680).

Almost surely, 2^8108922864 is an apocalyptic number.

8108922864 is a gapful number since it is divisible by the number (84) 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 8108922864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12004787200).

8108922864 is an abundant number, since it is smaller than the sum of its proper divisors (15900651536).

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

8108922864 is a wasteful number, since it uses less digits than its factorization.

8108922864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69518 (or 69512 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 48.

The square root of 8108922864 is about 90049.5578223458. The cubic root of 8108922864 is about 2009.0360190311.

The spelling of 8108922864 in words is "eight billion, one hundred eight million, nine hundred twenty-two thousand, eight hundred sixty-four".