13773543487 has 16 divisors (see below), whose sum is σ = 15377983488. Its totient is φ = 12229944480.

The previous prime is 13773543473. The next prime is 13773543493. The reversal of 13773543487 is 78434537731.

It is a cyclic number.

It is not a de Polignac number, because 13773543487 - 2¹⁵ = 13773510719 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 (13773543457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77038 + ... + 182980.

It is an arithmetic number, because the mean of its divisors is an integer number (961123968).

Almost surely, 2^13773543487 is an apocalyptic number.

13773543487 is a deficient number, since it is larger than the sum of its proper divisors (1604440001).

13773543487 is a wasteful number, since it uses less digits than its factorization.

13773543487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106230.

The product of its digits is 5927040, while the sum is 52.

The spelling of 13773543487 in words is "thirteen billion, seven hundred seventy-three million, five hundred forty-three thousand, four hundred eighty-seven".