8123887040 has 112 divisors (see below), whose sum is σ = 20295290880. Its totient is φ = 3091461120.

The previous prime is 8123887039. The next prime is 8123887043. The reversal of 8123887040 is 407883218.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8123887043) 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, 1402871 + ... + 1408649.

Almost surely, 2^8123887040 is an apocalyptic number.

8123887040 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 8123887040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10147645440).

8123887040 is an abundant number, since it is smaller than the sum of its proper divisors (12171403840).

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

8123887040 is a wasteful number, since it uses less digits than its factorization.

8123887040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6010 (or 6000 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 8123887040 is about 90132.6080838672. The cubic root of 8123887040 is about 2010.2710821401.

The spelling of 8123887040 in words is "eight billion, one hundred twenty-three million, eight hundred eighty-seven thousand, forty".