1377900000 has 216 divisors, whose sum is σ = 4900889448. Its totient is φ = 367200000.

The previous prime is 1377899953. The next prime is 1377900001. The reversal of 1377900000 is 97731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377900001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 899235 + ... + 900765.

It is an arithmetic number, because the mean of its divisors is an integer number (22689303).

Almost surely, 2^1377900000 is an apocalyptic number.

1377900000 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 1377900000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2450444724).

1377900000 is an abundant number, since it is smaller than the sum of its proper divisors (3522989448).

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

1377900000 is an equidigital number, since it uses as much as digits as its factorization.

1377900000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572 (or 1541 counting only the distinct ones).

The product of its (nonzero) digits is 1323, while the sum is 27.

The square root of 1377900000 is about 37120.0754309578. The cubic root of 1377900000 is about 1112.7712590234.

Adding to 1377900000 its reverse (97731), we get a palindrome (1377997731).

The spelling of 1377900000 in words is "one billion, three hundred seventy-seven million, nine hundred thousand".