1378486848 has 28 divisors (see below), whose sum is σ = 3647246960. Its totient is φ = 459495552.

The previous prime is 1378486793. The next prime is 1378486873. The reversal of 1378486848 is 8486848731.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3589618 + ... + 3590001.

It is an arithmetic number, because the mean of its divisors is an integer number (130258820).

Almost surely, 2^1378486848 is an apocalyptic number.

It is an amenable number.

1378486848 is an abundant number, since it is smaller than the sum of its proper divisors (2268760112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1378486848 is an equidigital number, since it uses as much as digits as its factorization.

1378486848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7179634 (or 7179624 counting only the distinct ones).

The product of its digits is 8257536, while the sum is 57.

The square root of 1378486848 is about 37127.9793147971. The cubic root of 1378486848 is about 1112.9292131326.

The spelling of 1378486848 in words is "one billion, three hundred seventy-eight million, four hundred eighty-six thousand, eight hundred forty-eight".