1377680344 has 16 divisors (see below), whose sum is σ = 2583555120. Its totient is φ = 688732320.

The previous prime is 1377680341. The next prime is 1377680347. The reversal of 1377680344 is 4430867731.

It is an interprime number because it is at equal distance from previous prime (1377680341) and next prime (1377680347).

It is a self number, because there is not a number n which added to its sum of digits gives 1377680344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377680341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74842 + ... + 91414.

It is an arithmetic number, because the mean of its divisors is an integer number (161472195).

Almost surely, 2^1377680344 is an apocalyptic number.

It is an amenable number.

1377680344 is a deficient number, since it is larger than the sum of its proper divisors (1205874776).

1377680344 is a wasteful number, since it uses less digits than its factorization.

1377680344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26970 (or 26966 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 43.

The square root of 1377680344 is about 37117.1165905974. The cubic root of 1377680344 is about 1112.7121255901.

The spelling of 1377680344 in words is "one billion, three hundred seventy-seven million, six hundred eighty thousand, three hundred forty-four".