28526467543 has 24 divisors (see below), whose sum is σ = 33682824864. Its totient is φ = 24084244800.

The previous prime is 28526467537. The next prime is 28526467559. The reversal of 28526467543 is 34576462582.

It is a de Polignac number, because none of the positive numbers 2^k-28526467543 is a prime.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28526467643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4439473 + ... + 4445893.

It is an arithmetic number, because the mean of its divisors is an integer number (1403451036).

Almost surely, 2^28526467543 is an apocalyptic number.

28526467543 is a deficient number, since it is larger than the sum of its proper divisors (5156357321).

28526467543 is a wasteful number, since it uses less digits than its factorization.

28526467543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7783 (or 7776 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 52.

The spelling of 28526467543 in words is "twenty-eight billion, five hundred twenty-six million, four hundred sixty-seven thousand, five hundred forty-three".