1377770000 has 50 divisors (see below), whose sum is σ = 3335743158. Its totient is φ = 551104000.

The previous prime is 1377769993. The next prime is 1377770003. The reversal of 1377770000 is 777731.

It can be written as a sum of positive squares in 5 ways, for example, as 954562816 + 423207184 = 30896^2 + 20572^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is not an unprimeable number, because it can be changed into a prime (1377770003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 58889 + ... + 78888.

Almost surely, 2^1377770000 is an apocalyptic number.

1377770000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1377770000 is an abundant number, since it is smaller than the sum of its proper divisors (1957973158).

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

1377770000 is an equidigital number, since it uses as much as digits as its factorization.

1377770000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137805 (or 137784 counting only the distinct ones).

The product of its (nonzero) digits is 7203, while the sum is 32.

The square root of 1377770000 is about 37118.3243156261. The cubic root of 1377770000 is about 1112.7362625763.

The spelling of 1377770000 in words is "one billion, three hundred seventy-seven million, seven hundred seventy thousand".