3117855008 has 96 divisors (see below), whose sum is σ = 6826659840. Its totient is φ = 1395636480.

The previous prime is 3117854921. The next prime is 3117855017. The reversal of 3117855008 is 8005587113.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 808541 + ... + 812387.

It is an arithmetic number, because the mean of its divisors is an integer number (71111040).

Almost surely, 2^3117855008 is an apocalyptic number.

3117855008 is a gapful number since it is divisible by the number (38) 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 3117855008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3413329920).

3117855008 is an abundant number, since it is smaller than the sum of its proper divisors (3708804832).

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

3117855008 is a wasteful number, since it uses less digits than its factorization.

3117855008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3950 (or 3942 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 38.

The square root of 3117855008 is about 55837.7561153741. The cubic root of 3117855008 is about 1460.8937743790.

The spelling of 3117855008 in words is "three billion, one hundred seventeen million, eight hundred fifty-five thousand, eight".