28492465839 has 4 divisors (see below), whose sum is σ = 37989954456. Its totient is φ = 18994977224.

The previous prime is 28492465777. The next prime is 28492465861. The reversal of 28492465839 is 93856429482.

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 28492465839 - 2¹⁶ = 28492400303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28492455839) 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, 4748744304 + ... + 4748744309.

It is an arithmetic number, because the mean of its divisors is an integer number (9497488614).

Almost surely, 2^28492465839 is an apocalyptic number.

28492465839 is a deficient number, since it is larger than the sum of its proper divisors (9497488617).

28492465839 is an equidigital number, since it uses as much as digits as its factorization.

28492465839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9497488616.

The product of its digits is 29859840, while the sum is 60.

The spelling of 28492465839 in words is "twenty-eight billion, four hundred ninety-two million, four hundred sixty-five thousand, eight hundred thirty-nine".