3378905647 has 16 divisors (see below), whose sum is σ = 3668916160. Its totient is φ = 3093292800.

The previous prime is 3378905591. The next prime is 3378905657. The reversal of 3378905647 is 7465098733.

It is a happy number.

It is not a de Polignac number, because 3378905647 - 2¹⁵ = 3378872879 is a prime.

It is a super-2 number, since 2×3378905647² = 22834006742656977218, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3378905594 and 3378905603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3378905657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 960622 + ... + 964132.

It is an arithmetic number, because the mean of its divisors is an integer number (229307260).

Almost surely, 2^3378905647 is an apocalyptic number.

3378905647 is a deficient number, since it is larger than the sum of its proper divisors (290010513).

3378905647 is a wasteful number, since it uses less digits than its factorization.

3378905647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4114.

The product of its (nonzero) digits is 3810240, while the sum is 52.

The square root of 3378905647 is about 58128.3549311349. The cubic root of 3378905647 is about 1500.5783913174.

The spelling of 3378905647 in words is "three billion, three hundred seventy-eight million, nine hundred five thousand, six hundred forty-seven".