1331767677 has 16 divisors (see below), whose sum is σ = 1853587712. Its totient is φ = 849683520.

The previous prime is 1331767651. The next prime is 1331767693. The reversal of 1331767677 is 7767671331.

It is not a de Polignac number, because 1331767677 - 2¹⁴ = 1331751293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331767637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91573 + ... + 105114.

It is an arithmetic number, because the mean of its divisors is an integer number (115849232).

Almost surely, 2^1331767677 is an apocalyptic number.

It is an amenable number.

1331767677 is a deficient number, since it is larger than the sum of its proper divisors (521820035).

1331767677 is a wasteful number, since it uses less digits than its factorization.

1331767677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196788.

The product of its digits is 777924, while the sum is 48.

The square root of 1331767677 is about 36493.3922374997. The cubic root of 1331767677 is about 1100.2114406218.

The spelling of 1331767677 in words is "one billion, three hundred thirty-one million, seven hundred sixty-seven thousand, six hundred seventy-seven".