1385476667 has 4 divisors (see below), whose sum is σ = 1385555760. Its totient is φ = 1385397576.

The previous prime is 1385476643. The next prime is 1385476679. The reversal of 1385476667 is 7666745831.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7666745831 = 56519 ⋅135649.

It is a cyclic number.

It is not a de Polignac number, because 1385476667 - 2¹⁰ = 1385475643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1385476607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263 + ... + 52640.

It is an arithmetic number, because the mean of its divisors is an integer number (346388940).

Almost surely, 2^1385476667 is an apocalyptic number.

1385476667 is a deficient number, since it is larger than the sum of its proper divisors (79093).

1385476667 is an equidigital number, since it uses as much as digits as its factorization.

1385476667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79092.

The product of its digits is 5080320, while the sum is 53.

The square root of 1385476667 is about 37221.9917118899. The cubic root of 1385476667 is about 1114.8071326806.

The spelling of 1385476667 in words is "one billion, three hundred eighty-five million, four hundred seventy-six thousand, six hundred sixty-seven".