3919787968 has 28 divisors (see below), whose sum is σ = 7943831712. Its totient is φ = 1918192640.

The previous prime is 3919787953. The next prime is 3919787969. The reversal of 3919787968 is 8697879193.

3919787968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3919787969) 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, 648553 + ... + 654568.

Almost surely, 2^3919787968 is an apocalyptic number.

It is an amenable number.

3919787968 is an abundant number, since it is smaller than the sum of its proper divisors (4024043744).

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

3919787968 is a wasteful number, since it uses less digits than its factorization.

3919787968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303180 (or 1303170 counting only the distinct ones).

The product of its digits is 41150592, while the sum is 67.

The square root of 3919787968 is about 62608.2100686483. The cubic root of 3919787968 is about 1576.7186034667.

The spelling of 3919787968 in words is "three billion, nine hundred nineteen million, seven hundred eighty-seven thousand, nine hundred sixty-eight".