1378949882 has 8 divisors (see below), whose sum is σ = 2093345856. Its totient is φ = 681167932.

The previous prime is 1378949879. The next prime is 1378949899. The reversal of 1378949882 is 2889498731.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 4153298 + ... + 4153629.

It is an arithmetic number, because the mean of its divisors is an integer number (261668232).

Almost surely, 2^1378949882 is an apocalyptic number.

1378949882 is a deficient number, since it is larger than the sum of its proper divisors (714395974).

1378949882 is an equidigital number, since it uses as much as digits as its factorization.

1378949882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8307012.

The product of its digits is 6967296, while the sum is 59.

The square root of 1378949882 is about 37134.2144389780. The cubic root of 1378949882 is about 1113.0538102293.

The spelling of 1378949882 in words is "one billion, three hundred seventy-eight million, nine hundred forty-nine thousand, eight hundred eighty-two".