3978337364 has 12 divisors (see below), whose sum is σ = 6962709600. Its totient is φ = 1988991768.

The previous prime is 3978337351. The next prime is 3978337367. The reversal of 3978337364 is 4637338793.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3978337367) 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, 15257 + ... + 90495.

It is an arithmetic number, because the mean of its divisors is an integer number (580225800).

Almost surely, 2^3978337364 is an apocalyptic number.

It is an amenable number.

3978337364 is a deficient number, since it is larger than the sum of its proper divisors (2984372236).

3978337364 is a wasteful number, since it uses less digits than its factorization.

3978337364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88462 (or 88460 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 53.

The square root of 3978337364 is about 63074.0625296960. The cubic root of 3978337364 is about 1584.5302556985.

The spelling of 3978337364 in words is "three billion, nine hundred seventy-eight million, three hundred thirty-seven thousand, three hundred sixty-four".