1377756873880 has 128 divisors (see below), whose sum is σ = 3305139552000. Its totient is φ = 515997941760.

The previous prime is 1377756873869. The next prime is 1377756873893. The reversal of 1377756873880 is 883786577731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5826760 + ... + 6058600.

It is an arithmetic number, because the mean of its divisors is an integer number (25821402750).

Almost surely, 2^{1377756873880} is an apocalyptic number.

1377756873880 is a gapful number since it is divisible by the number (10) 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 1377756873880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1652569776000).

1377756873880 is an abundant number, since it is smaller than the sum of its proper divisors (1927382678120).

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

1377756873880 is a wasteful number, since it uses less digits than its factorization.

1377756873880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232037 (or 232033 counting only the distinct ones).

The product of its (nonzero) digits is 331914240, while the sum is 70.

The spelling of 1377756873880 in words is "one trillion, three hundred seventy-seven billion, seven hundred fifty-six million, eight hundred seventy-three thousand, eight hundred eighty".