3328378397 has 2 divisors, whose sum is σ = 3328378398. Its totient is φ = 3328378396.

The previous prime is 3328378393. The next prime is 3328378451. The reversal of 3328378397 is 7938738233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3324560281 + 3818116 = 57659^2 + 1954^2 .

It is a cyclic number.

It is not a de Polignac number, because 3328378397 - 2² = 3328378393 is a prime.

It is a super-2 number, since 2×3328378397² = 22156205507232579218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3328378393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1664189198 + 1664189199.

It is an arithmetic number, because the mean of its divisors is an integer number (1664189199).

Almost surely, 2^3328378397 is an apocalyptic number.

It is an amenable number.

3328378397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3328378397 is an equidigital number, since it uses as much as digits as its factorization.

3328378397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4572288, while the sum is 53.

The square root of 3328378397 is about 57692.0999531132. The cubic root of 3328378397 is about 1493.0610459600.

The spelling of 3328378397 in words is "three billion, three hundred twenty-eight million, three hundred seventy-eight thousand, three hundred ninety-seven".