3878880345 has 32 divisors (see below), whose sum is σ = 6898496640. Its totient is φ = 2067923520.

The previous prime is 3878880319. The next prime is 3878880347. The reversal of 3878880345 is 5430888783.

It is not a de Polignac number, because 3878880345 - 2⁷ = 3878880217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3878880291 and 3878880300.

It is not an unprimeable number, because it can be changed into a prime (3878880347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 519690 + ... + 527100.

It is an arithmetic number, because the mean of its divisors is an integer number (215578020).

Almost surely, 2^3878880345 is an apocalyptic number.

It is an amenable number.

3878880345 is a deficient number, since it is larger than the sum of its proper divisors (3019616295).

3878880345 is a wasteful number, since it uses less digits than its factorization.

3878880345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11302 (or 11296 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 54.

The square root of 3878880345 is about 62280.6578722479. The cubic root of 3878880345 is about 1571.2144369119.

The spelling of 3878880345 in words is "three billion, eight hundred seventy-eight million, eight hundred eighty thousand, three hundred forty-five".