1377857088 has 112 divisors (see below), whose sum is σ = 4059936000. Its totient is φ = 458233344.

The previous prime is 1377857053. The next prime is 1377857137. The reversal of 1377857088 is 8807587731.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1241878 + ... + 1242986.

Almost surely, 2^1377857088 is an apocalyptic number.

1377857088 is a gapful number since it is divisible by the number (18) 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 1377857088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2029968000).

1377857088 is an abundant number, since it is smaller than the sum of its proper divisors (2682078912).

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

1377857088 is a wasteful number, since it uses less digits than its factorization.

1377857088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1849 (or 1833 counting only the distinct ones).

The product of its (nonzero) digits is 2634240, while the sum is 54.

The square root of 1377857088 is about 37119.4974103907. The cubic root of 1377857088 is about 1112.7597072088.

The spelling of 1377857088 in words is "one billion, three hundred seventy-seven million, eight hundred fifty-seven thousand, eighty-eight".