3876789166 has 4 divisors (see below), whose sum is σ = 5815183752. Its totient is φ = 1938394582.

The previous prime is 3876789113. The next prime is 3876789167. The reversal of 3876789166 is 6619876783.

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

It is a super-2 number, since 2×3876789166² = 30058988475229951112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3876789167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 969197290 + ... + 969197293.

It is an arithmetic number, because the mean of its divisors is an integer number (1453795938).

Almost surely, 2^3876789166 is an apocalyptic number.

3876789166 is a deficient number, since it is larger than the sum of its proper divisors (1938394586).

3876789166 is a wasteful number, since it uses less digits than its factorization.

3876789166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938394585.

The product of its digits is 18289152, while the sum is 61.

The square root of 3876789166 is about 62263.8672586276. The cubic root of 3876789166 is about 1570.9320288474.

The spelling of 3876789166 in words is "three billion, eight hundred seventy-six million, seven hundred eighty-nine thousand, one hundred sixty-six".