3680809378 has 4 divisors (see below), whose sum is σ = 5521214070. Its totient is φ = 1840404688.

The previous prime is 3680809291. The next prime is 3680809381. The reversal of 3680809378 is 8739080863.

It is a happy number.

3680809378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 3255501249 + 425308129 = 57057^2 + 20623^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 920202343 + ... + 920202346.

Almost surely, 2^3680809378 is an apocalyptic number.

3680809378 is a deficient number, since it is larger than the sum of its proper divisors (1840404692).

3680809378 is a wasteful number, since it uses less digits than its factorization.

3680809378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840404691.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The square root of 3680809378 is about 60669.6742862528. The cubic root of 3680809378 is about 1544.0017050215.

The spelling of 3680809378 in words is "three billion, six hundred eighty million, eight hundred nine thousand, three hundred seventy-eight".