28742954482579 has 4 divisors (see below), whose sum is σ = 30433716510984. Its totient is φ = 27052192454176.

The previous prime is 28742954482531. The next prime is 28742954482591. The reversal of 28742954482579 is 97528445924782.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28742954482579 - 2⁴¹ = 26543931227027 is a prime.

It is a super-2 number, since 2×28742954482579² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28742954485579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 845381014177 + ... + 845381014210.

It is an arithmetic number, because the mean of its divisors is an integer number (7608429127746).

Almost surely, 2^{28742954482579} is an apocalyptic number.

28742954482579 is a deficient number, since it is larger than the sum of its proper divisors (1690762028405).

28742954482579 is a wasteful number, since it uses less digits than its factorization.

28742954482579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690762028404.

The product of its digits is 3251404800, while the sum is 76.

The spelling of 28742954482579 in words is "twenty-eight trillion, seven hundred forty-two billion, nine hundred fifty-four million, four hundred eighty-two thousand, five hundred seventy-nine".