1377880860 has 24 divisors (see below), whose sum is σ = 3858066576. Its totient is φ = 367434880.

The previous prime is 1377880853. The next prime is 1377880877. The reversal of 1377880860 is 680887731.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11482281 + ... + 11482400.

It is an arithmetic number, because the mean of its divisors is an integer number (160752774).

Almost surely, 2^1377880860 is an apocalyptic number.

1377880860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1377880860 is an abundant number, since it is smaller than the sum of its proper divisors (2480185716).

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

1377880860 is a wasteful number, since it uses less digits than its factorization.

1377880860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22964693 (or 22964691 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 48.

The square root of 1377880860 is about 37119.8176180864. The cubic root of 1377880860 is about 1112.7661066077.

The spelling of 1377880860 in words is "one billion, three hundred seventy-seven million, eight hundred eighty thousand, eight hundred sixty".