3806120863 has 4 divisors (see below), whose sum is σ = 3937366440. Its totient is φ = 3674875288.

The previous prime is 3806120833. The next prime is 3806120873. The reversal of 3806120863 is 3680216083.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3806120863 - 2²¹ = 3804023711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3806120833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65622745 + ... + 65622802.

It is an arithmetic number, because the mean of its divisors is an integer number (984341610).

Almost surely, 2^3806120863 is an apocalyptic number.

3806120863 is a deficient number, since it is larger than the sum of its proper divisors (131245577).

3806120863 is a wasteful number, since it uses less digits than its factorization.

3806120863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131245576.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 3806120863 is about 61693.7668083251. The cubic root of 3806120863 is about 1561.3281565223.

The spelling of 3806120863 in words is "three billion, eight hundred six million, one hundred twenty thousand, eight hundred sixty-three".