1377332808 has 16 divisors (see below), whose sum is σ = 3443332080. Its totient is φ = 459110928.

The previous prime is 1377332797. The next prime is 1377332833. The reversal of 1377332808 is 8082337731.

It is a super-4 number, since 4×1377332808⁴ (a number of 38 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1377332808.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28694410 + ... + 28694457.

It is an arithmetic number, because the mean of its divisors is an integer number (215208255).

Almost surely, 2^1377332808 is an apocalyptic number.

It is an amenable number.

1377332808 is an abundant number, since it is smaller than the sum of its proper divisors (2065999272).

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

1377332808 is a wasteful number, since it uses less digits than its factorization.

1377332808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57388876 (or 57388872 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 1377332808 is about 37112.4346816535. The cubic root of 1377332808 is about 1112.6185528334.

The spelling of 1377332808 in words is "one billion, three hundred seventy-seven million, three hundred thirty-two thousand, eight hundred eight".