1345923886687 has 8 divisors (see below), whose sum is σ = 1351027220400. Its totient is φ = 1340821293504.

The previous prime is 1345923886663. The next prime is 1345923886709. The reversal of 1345923886687 is 7866883295431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1345923886687 - 2¹¹ = 1345923884639 is a prime.

It is a super-2 number, since 2×1345923886687² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345923886487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3603364 + ... + 3959302.

It is an arithmetic number, because the mean of its divisors is an integer number (168878402550).

Almost surely, 2^{1345923886687} is an apocalyptic number.

1345923886687 is a deficient number, since it is larger than the sum of its proper divisors (5103333713).

1345923886687 is a wasteful number, since it uses less digits than its factorization.

1345923886687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370265.

The product of its digits is 418037760, while the sum is 70.

The spelling of 1345923886687 in words is "one trillion, three hundred forty-five billion, nine hundred twenty-three million, eight hundred eighty-six thousand, six hundred eighty-seven".