3971087180 has 12 divisors (see below), whose sum is σ = 8339283120. Its totient is φ = 1588434864.

The previous prime is 3971087179. The next prime is 3971087201. The reversal of 3971087180 is 817801793.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99277160 + ... + 99277199.

It is an arithmetic number, because the mean of its divisors is an integer number (694940260).

Almost surely, 2^3971087180 is an apocalyptic number.

It is an amenable number.

3971087180 is an abundant number, since it is smaller than the sum of its proper divisors (4368195940).

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

3971087180 is a wasteful number, since it uses less digits than its factorization.

3971087180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198554368 (or 198554366 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 44.

The square root of 3971087180 is about 63016.5627434566. The cubic root of 3971087180 is about 1583.5671128368.

The spelling of 3971087180 in words is "three billion, nine hundred seventy-one million, eighty-seven thousand, one hundred eighty".