1377893256 has 32 divisors (see below), whose sum is σ = 3445999200. Its totient is φ = 459128960.

The previous prime is 1377893227. The next prime is 1377893261. The reversal of 1377893256 is 6523987731.

It is a junction number, because it is equal to n+sod(n) for n = 1377893199 and 1377893208.

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, 68071 + ... + 85961.

It is an arithmetic number, because the mean of its divisors is an integer number (107687475).

Almost surely, 2^1377893256 is an apocalyptic number.

It is an amenable number.

1377893256 is an abundant number, since it is smaller than the sum of its proper divisors (2068105944).

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

1377893256 is a wasteful number, since it uses less digits than its factorization.

1377893256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21109 (or 21105 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 51.

The square root of 1377893256 is about 37119.9845905140. The cubic root of 1377893256 is about 1112.7694435695.

The spelling of 1377893256 in words is "one billion, three hundred seventy-seven million, eight hundred ninety-three thousand, two hundred fifty-six".