1377325836 has 96 divisors (see below), whose sum is σ = 3736212480. Its totient is φ = 437956992.

The previous prime is 1377325823. The next prime is 1377325837. The reversal of 1377325836 is 6385237731.

1377325836 is a `hidden beast` number, since 1 + 37 + 7 + 32 + 583 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1377325791 and 1377325800.

It is not an unprimeable number, because it can be changed into a prime (1377325837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1606720 + ... + 1607576.

It is an arithmetic number, because the mean of its divisors is an integer number (38918880).

Almost surely, 2^1377325836 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 1377325836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1868106240).

1377325836 is an abundant number, since it is smaller than the sum of its proper divisors (2358886644).

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

1377325836 is a wasteful number, since it uses less digits than its factorization.

1377325836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540 (or 1532 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 1377325836 is about 37112.3407507530. The cubic root of 1377325836 is about 1112.6166754876.

The spelling of 1377325836 in words is "one billion, three hundred seventy-seven million, three hundred twenty-five thousand, eight hundred thirty-six".