1397873672567 has 4 divisors (see below), whose sum is σ = 1398835734360. Its totient is φ = 1396911610776.

The previous prime is 1397873672477. The next prime is 1397873672593. The reversal of 1397873672567 is 7652763787931.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1397873672567 - 2¹⁰ = 1397873671543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1397873672567.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1397873632567) 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, 481028717 + ... + 481031622.

It is an arithmetic number, because the mean of its divisors is an integer number (349708933590).

Almost surely, 2^{1397873672567} is an apocalyptic number.

1397873672567 is a deficient number, since it is larger than the sum of its proper divisors (962061793).

1397873672567 is an equidigital number, since it uses as much as digits as its factorization.

1397873672567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962061792.

The product of its digits is 560105280, while the sum is 71.

The spelling of 1397873672567 in words is "one trillion, three hundred ninety-seven billion, eight hundred seventy-three million, six hundred seventy-two thousand, five hundred sixty-seven".