28743455487 has 16 divisors (see below), whose sum is σ = 38418226560. Its totient is φ = 19115532000.

The previous prime is 28743455443. The next prime is 28743455527. The reversal of 28743455487 is 78455434782.

It is not a de Polignac number, because 28743455487 - 2⁸ = 28743455231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28743455087) 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, 5083612 + ... + 5089262.

It is an arithmetic number, because the mean of its divisors is an integer number (2401139160).

Almost surely, 2^28743455487 is an apocalyptic number.

28743455487 is a deficient number, since it is larger than the sum of its proper divisors (9674771073).

28743455487 is a wasteful number, since it uses less digits than its factorization.

28743455487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9494.

The product of its digits is 30105600, while the sum is 57.

The spelling of 28743455487 in words is "twenty-eight billion, seven hundred forty-three million, four hundred fifty-five thousand, four hundred eighty-seven".