8687660543 has 8 divisors (see below), whose sum is σ = 8743152000. Its totient is φ = 8632230048.

The previous prime is 8687660447. The next prime is 8687660551. The reversal of 8687660543 is 3450667868.

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 8687660543 - 2⁸ = 8687660287 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 (8687660563) 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, 290033 + ... + 318581.

It is an arithmetic number, because the mean of its divisors is an integer number (1092894000).

Almost surely, 2^8687660543 is an apocalyptic number.

8687660543 is a deficient number, since it is larger than the sum of its proper divisors (55491457).

8687660543 is a wasteful number, since it uses less digits than its factorization.

8687660543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30481.

The product of its (nonzero) digits is 5806080, while the sum is 53.

The square root of 8687660543 is about 93207.6206272856. The cubic root of 8687660543 is about 2055.7372926833.

The spelling of 8687660543 in words is "eight billion, six hundred eighty-seven million, six hundred sixty thousand, five hundred forty-three".