3920119866 has 36 divisors (see below), whose sum is σ = 9149181678. Its totient is φ = 1205896032.

The previous prime is 3920119823. The next prime is 3920119871. The reversal of 3920119866 is 6689110293.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2393264241 + 1526855625 = 48921^2 + 39075^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 955716 + ... + 959808.

Almost surely, 2^3920119866 is an apocalyptic number.

3920119866 is an abundant number, since it is smaller than the sum of its proper divisors (5229061812).

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

3920119866 is an equidigital number, since it uses as much as digits as its factorization.

3920119866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8207 (or 4111 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 3920119866 is about 62610.8606074058. The cubic root of 3920119866 is about 1576.7631037463.

The spelling of 3920119866 in words is "three billion, nine hundred twenty million, one hundred nineteen thousand, eight hundred sixty-six".