3780921255 has 32 divisors (see below), whose sum is σ = 6264941760. Its totient is φ = 1944821760.

The previous prime is 3780921247. The next prime is 3780921271. The reversal of 3780921255 is 5521290873.

It is a happy number.

It is not a de Polignac number, because 3780921255 - 2³ = 3780921247 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 439879 + ... + 448391.

It is an arithmetic number, because the mean of its divisors is an integer number (195779430).

Almost surely, 2^3780921255 is an apocalyptic number.

3780921255 is a deficient number, since it is larger than the sum of its proper divisors (2484020505).

3780921255 is a wasteful number, since it uses less digits than its factorization.

3780921255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9571.

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 3780921255 is about 61489.1962461699. The cubic root of 3780921255 is about 1557.8747708355.

The spelling of 3780921255 in words is "three billion, seven hundred eighty million, nine hundred twenty-one thousand, two hundred fifty-five".