1377671976 has 96 divisors (see below), whose sum is σ = 4097096640. Its totient is φ = 432200448.

The previous prime is 1377671957. The next prime is 1377672013. The reversal of 1377671976 is 6791767731.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12205 + ... + 53891.

It is an arithmetic number, because the mean of its divisors is an integer number (42678090).

Almost surely, 2^1377671976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1377671976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2048548320).

1377671976 is an abundant number, since it is smaller than the sum of its proper divisors (2719424664).

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

1377671976 is a wasteful number, since it uses less digits than its factorization.

1377671976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41725 (or 41709 counting only the distinct ones).

The product of its digits is 2333772, while the sum is 54.

The square root of 1377671976 is about 37117.0038661528. The cubic root of 1377671976 is about 1112.7098727226.

The spelling of 1377671976 in words is "one billion, three hundred seventy-seven million, six hundred seventy-one thousand, nine hundred seventy-six".