1376716988 has 6 divisors (see below), whose sum is σ = 2409254736. Its totient is φ = 688358492.

The previous prime is 1376716987. The next prime is 1376716993. The reversal of 1376716988 is 8896176731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1376716987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172089620 + ... + 172089627.

It is an arithmetic number, because the mean of its divisors is an integer number (401542456).

Almost surely, 2^1376716988 is an apocalyptic number.

It is an amenable number.

1376716988 is a deficient number, since it is larger than the sum of its proper divisors (1032537748).

1376716988 is a wasteful number, since it uses less digits than its factorization.

1376716988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344179251 (or 344179249 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 56.

The square root of 1376716988 is about 37104.1370739167. The cubic root of 1376716988 is about 1112.4527069573.

The spelling of 1376716988 in words is "one billion, three hundred seventy-six million, seven hundred sixteen thousand, nine hundred eighty-eight".