1377675648 has 256 divisors, whose sum is σ = 4362336000. Its totient is φ = 426516480.

The previous prime is 1377675647. The next prime is 1377675659. The reversal of 1377675648 is 8465767731.

1377675648 is a `hidden beast` number, since 1 + 3 + 7 + 76 + 7 + 564 + 8 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 1377675594 and 1377675603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377675647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7696423 + ... + 7696601.

It is an arithmetic number, because the mean of its divisors is an integer number (17040375).

Almost surely, 2^1377675648 is an apocalyptic number.

1377675648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1377675648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2181168000).

1377675648 is an abundant number, since it is smaller than the sum of its proper divisors (2984660352).

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

1377675648 is a wasteful number, since it uses less digits than its factorization.

1377675648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350 (or 332 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 54.

The square root of 1377675648 is about 37117.0533313193. The cubic root of 1377675648 is about 1112.7108613147.

The spelling of 1377675648 in words is "one billion, three hundred seventy-seven million, six hundred seventy-five thousand, six hundred forty-eight".