3117571872 has 48 divisors (see below), whose sum is σ = 8295749280. Its totient is φ = 1024952832.

The previous prime is 3117571867. The next prime is 3117571907. The reversal of 3117571872 is 2781757113.

3117571872 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215422 + ... + 229437.

It is an arithmetic number, because the mean of its divisors is an integer number (172828110).

Almost surely, 2^3117571872 is an apocalyptic number.

3117571872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3117571872 is an abundant number, since it is smaller than the sum of its proper divisors (5178177408).

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

3117571872 is a wasteful number, since it uses less digits than its factorization.

3117571872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444945 (or 444937 counting only the distinct ones).

The product of its digits is 82320, while the sum is 42.

The square root of 3117571872 is about 55835.2207123783. The cubic root of 3117571872 is about 1460.8495512256.

The spelling of 3117571872 in words is "three billion, one hundred seventeen million, five hundred seventy-one thousand, eight hundred seventy-two".