3861591107 has 8 divisors (see below), whose sum is σ = 4220927280. Its totient is φ = 3503635360.

The previous prime is 3861591073. The next prime is 3861591113. The reversal of 3861591107 is 7011951683.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3861591107 - 2¹² = 3861587011 is a prime.

It is a super-2 number, since 2×3861591107² = 29823771755322970898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3861591707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339248 + ... + 350445.

It is an arithmetic number, because the mean of its divisors is an integer number (527615910).

Almost surely, 2^3861591107 is an apocalyptic number.

3861591107 is a deficient number, since it is larger than the sum of its proper divisors (359336173).

3861591107 is a wasteful number, since it uses less digits than its factorization.

3861591107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690213.

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 3861591107 is about 62141.7018354020. The cubic root of 3861591107 is about 1568.8765147154.

The spelling of 3861591107 in words is "three billion, eight hundred sixty-one million, five hundred ninety-one thousand, one hundred seven".