3876852861 has 24 divisors (see below), whose sum is σ = 6636919744. Its totient is φ = 2215343520.

The previous prime is 3876852841. The next prime is 3876852911. The reversal of 3876852861 is 1682586783.

3876852861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3876852861 - 2⁶ = 3876852797 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3876852798 and 3876852807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3876852821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1137880 + ... + 1141281.

Almost surely, 2^3876852861 is an apocalyptic number.

It is an amenable number.

3876852861 is a deficient number, since it is larger than the sum of its proper divisors (2760066883).

3876852861 is an equidigital number, since it uses as much as digits as its factorization.

3876852861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2279183 (or 2279171 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The square root of 3876852861 is about 62264.3787490087. The cubic root of 3876852861 is about 1570.9406321841.

The spelling of 3876852861 in words is "three billion, eight hundred seventy-six million, eight hundred fifty-two thousand, eight hundred sixty-one".