1377965422872 has 48 divisors (see below), whose sum is σ = 3852376457280. Its totient is φ = 444504974400.

The previous prime is 1377965422807. The next prime is 1377965422997. The reversal of 1377965422872 is 2782245697731.

It is a happy number.

1377965422872 is a `hidden beast` number, since 1 + 3 + 7 + 7 + 9 + 6 + 542 + 2 + 87 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 308681779 + ... + 308686242.

It is an arithmetic number, because the mean of its divisors is an integer number (80257842860).

Almost surely, 2^{1377965422872} is an apocalyptic number.

1377965422872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1377965422872 is an abundant number, since it is smaller than the sum of its proper divisors (2474411034408).

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

1377965422872 is a wasteful number, since it uses less digits than its factorization.

1377965422872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617368064 (or 617368057 counting only the distinct ones).

The product of its digits is 71124480, while the sum is 63.

The spelling of 1377965422872 in words is "one trillion, three hundred seventy-seven billion, nine hundred sixty-five million, four hundred twenty-two thousand, eight hundred seventy-two".