1377358848 has 132 divisors (see below), whose sum is σ = 4018473888. Its totient is φ = 454348800.

The previous prime is 1377358847. The next prime is 1377358883. The reversal of 1377358848 is 8488537731.

1377358848 is a `hidden beast` number, since 13 + 7 + 7 + 3 + 588 + 48 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1377358794 and 1377358803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377358847) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 948523 + ... + 949973.

It is an arithmetic number, because the mean of its divisors is an integer number (30442984).

Almost surely, 2^1377358848 is an apocalyptic number.

1377358848 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 1377358848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2009236944).

1377358848 is an abundant number, since it is smaller than the sum of its proper divisors (2641115040).

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

1377358848 is a wasteful number, since it uses less digits than its factorization.

1377358848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580 (or 1559 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The square root of 1377358848 is about 37112.7855058065. The cubic root of 1377358848 is about 1112.6255645506.

The spelling of 1377358848 in words is "one billion, three hundred seventy-seven million, three hundred fifty-eight thousand, eight hundred forty-eight".