3876663999 has 16 divisors (see below), whose sum is σ = 5570232192. Its totient is φ = 2384036448.

The previous prime is 3876663983. The next prime is 3876664061. The reversal of 3876663999 is 9993666783.

It is not a de Polignac number, because 3876663999 - 2⁴ = 3876663983 is a prime.

It is a super-2 number, since 2×3876663999² = 30057047522285344002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3876663919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26764 + ... + 92030.

It is an arithmetic number, because the mean of its divisors is an integer number (348139512).

Almost surely, 2^3876663999 is an apocalyptic number.

3876663999 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

3876663999 is a deficient number, since it is larger than the sum of its proper divisors (1693568193).

3876663999 is a wasteful number, since it uses less digits than its factorization.

3876663999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66806.

The product of its digits is 79361856, while the sum is 66.

The square root of 3876663999 is about 62262.8621169956. The cubic root of 3876663999 is about 1570.9151221619.

The spelling of 3876663999 in words is "three billion, eight hundred seventy-six million, six hundred sixty-three thousand, nine hundred ninety-nine".