3781227478 has 16 divisors (see below), whose sum is σ = 6554939040. Its totient is φ = 1602317376.

The previous prime is 3781227473. The next prime is 3781227509. The reversal of 3781227478 is 8747221873.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3781227473) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1516101 + ... + 1518592.

It is an arithmetic number, because the mean of its divisors is an integer number (409683690).

Almost surely, 2^3781227478 is an apocalyptic number.

3781227478 is a deficient number, since it is larger than the sum of its proper divisors (2773711562).

3781227478 is a wasteful number, since it uses less digits than its factorization.

3781227478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3034791.

The product of its digits is 1053696, while the sum is 49.

The square root of 3781227478 is about 61491.6862510697. The cubic root of 3781227478 is about 1557.9168279758.

The spelling of 3781227478 in words is "three billion, seven hundred eighty-one million, two hundred twenty-seven thousand, four hundred seventy-eight".