8124737856 has 112 divisors (see below), whose sum is σ = 22953537024. Its totient is φ = 2530192896.

The previous prime is 8124737773. The next prime is 8124737893. The reversal of 8124737856 is 6587374218.

It is a super-2 number, since 2×8124737856² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8124737799 and 8124737808.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 168495 + ... + 211281.

Almost surely, 2^8124737856 is an apocalyptic number.

8124737856 is a gapful number since it is divisible by the number (86) 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 8124737856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11476768512).

8124737856 is an abundant number, since it is smaller than the sum of its proper divisors (14828799168).

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

8124737856 is a wasteful number, since it uses less digits than its factorization.

8124737856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42868 (or 42858 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 51.

The square root of 8124737856 is about 90137.3277615883. The cubic root of 8124737856 is about 2010.3412583618.

The spelling of 8124737856 in words is "eight billion, one hundred twenty-four million, seven hundred thirty-seven thousand, eight hundred fifty-six".