3771221676 has 24 divisors (see below), whose sum is σ = 8880249840. Its totient is φ = 1245540672.

The previous prime is 3771221621. The next prime is 3771221677. The reversal of 3771221676 is 6761221773.

It is a super-2 number, since 2×3771221676² = 28444225859064497952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3771221677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1440291 + ... + 1442906.

It is an arithmetic number, because the mean of its divisors is an integer number (370010410).

Almost surely, 2^3771221676 is an apocalyptic number.

It is an amenable number.

3771221676 is an abundant number, since it is smaller than the sum of its proper divisors (5109028164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3771221676 is a wasteful number, since it uses less digits than its factorization.

3771221676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2883313 (or 2883311 counting only the distinct ones).

The product of its digits is 148176, while the sum is 42.

The square root of 3771221676 is about 61410.2733750632. The cubic root of 3771221676 is about 1556.5414388657.

The spelling of 3771221676 in words is "three billion, seven hundred seventy-one million, two hundred twenty-one thousand, six hundred seventy-six".