3971755086 has 32 divisors (see below), whose sum is σ = 8561333760. Its totient is φ = 1221109344.

The previous prime is 3971755031. The next prime is 3971755147. The reversal of 3971755086 is 6805571793.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82095 + ... + 121173.

It is an arithmetic number, because the mean of its divisors is an integer number (267541680).

Almost surely, 2^3971755086 is an apocalyptic number.

3971755086 is an abundant number, since it is smaller than the sum of its proper divisors (4589578674).

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

3971755086 is a wasteful number, since it uses less digits than its factorization.

3971755086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40400.

The product of its (nonzero) digits is 1587600, while the sum is 51.

The square root of 3971755086 is about 63021.8619686851. The cubic root of 3971755086 is about 1583.6558890868.

The spelling of 3971755086 in words is "three billion, nine hundred seventy-one million, seven hundred fifty-five thousand, eighty-six".