1377473378 has 16 divisors (see below), whose sum is σ = 2149416000. Its totient is φ = 661267152.

The previous prime is 1377473353. The next prime is 1377473401. The reversal of 1377473378 is 8733747731.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55958 + ... + 76721.

It is an arithmetic number, because the mean of its divisors is an integer number (134338500).

Almost surely, 2^1377473378 is an apocalyptic number.

1377473378 is a deficient number, since it is larger than the sum of its proper divisors (771942622).

1377473378 is a wasteful number, since it uses less digits than its factorization.

1377473378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132889.

The product of its digits is 2074464, while the sum is 50.

The square root of 1377473378 is about 37114.3284729766. The cubic root of 1377473378 is about 1112.6564026710.

The spelling of 1377473378 in words is "one billion, three hundred seventy-seven million, four hundred seventy-three thousand, three hundred seventy-eight".