3871855023707 has 32 divisors (see below), whose sum is σ = 4504956825600. Its totient is φ = 3290793760800.

The previous prime is 3871855023697. The next prime is 3871855023731. The reversal of 3871855023707 is 7073205581783.

It is a cyclic number.

It is not a de Polignac number, because 3871855023707 - 2¹⁴ = 3871855007323 is a prime.

It is a super-2 number, since 2×3871855023707² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3871855023767) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4452482 + ... + 5250552.

It is an arithmetic number, because the mean of its divisors is an integer number (140779900800).

Almost surely, 2^{3871855023707} is an apocalyptic number.

3871855023707 is a deficient number, since it is larger than the sum of its proper divisors (633101801893).

3871855023707 is a wasteful number, since it uses less digits than its factorization.

3871855023707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798407.

The product of its (nonzero) digits is 9878400, while the sum is 56.

The spelling of 3871855023707 in words is "three trillion, eight hundred seventy-one billion, eight hundred fifty-five million, twenty-three thousand, seven hundred seven".