28773571459 has 12 divisors (see below), whose sum is σ = 30696952104. Its totient is φ = 26964717824.

The previous prime is 28773571433. The next prime is 28773571487. The reversal of 28773571459 is 95417537782.

It is not a de Polignac number, because 28773571459 - 2²³ = 28765182851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28773571759) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146317 + ... + 280990.

It is an arithmetic number, because the mean of its divisors is an integer number (2558079342).

Almost surely, 2^28773571459 is an apocalyptic number.

28773571459 is a deficient number, since it is larger than the sum of its proper divisors (1923380645).

28773571459 is a wasteful number, since it uses less digits than its factorization.

28773571459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427574 (or 427557 counting only the distinct ones).

The product of its digits is 14817600, while the sum is 58.

The spelling of 28773571459 in words is "twenty-eight billion, seven hundred seventy-three million, five hundred seventy-one thousand, four hundred fifty-nine".