28265956034579 has 8 divisors (see below), whose sum is σ = 29037396154032. Its totient is φ = 27498421941760.

The previous prime is 28265956034539. The next prime is 28265956034581. The reversal of 28265956034579 is 97543065956282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28265956034579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28265956034539) 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, 976491989 + ... + 976520934.

It is an arithmetic number, because the mean of its divisors is an integer number (3629674519254).

Almost surely, 2^{28265956034579} is an apocalyptic number.

28265956034579 is a deficient number, since it is larger than the sum of its proper divisors (771440119453).

28265956034579 is a wasteful number, since it uses less digits than its factorization.

28265956034579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953013317.

The product of its (nonzero) digits is 979776000, while the sum is 71.

The spelling of 28265956034579 in words is "twenty-eight trillion, two hundred sixty-five billion, nine hundred fifty-six million, thirty-four thousand, five hundred seventy-nine".