28573335425 has 12 divisors (see below), whose sum is σ = 35433136896. Its totient is φ = 22857248400.

The previous prime is 28573335403. The next prime is 28573335451. The reversal of 28573335425 is 52453337582.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-28573335425 is a prime.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28573335425.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 593612 + ... + 639938.

It is an arithmetic number, because the mean of its divisors is an integer number (2952761408).

Almost surely, 2^28573335425 is an apocalyptic number.

28573335425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28573335425 is a deficient number, since it is larger than the sum of its proper divisors (6859801471).

28573335425 is a wasteful number, since it uses less digits than its factorization.

28573335425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71008 (or 71003 counting only the distinct ones).

The product of its digits is 3024000, while the sum is 47.

The spelling of 28573335425 in words is "twenty-eight billion, five hundred seventy-three million, three hundred thirty-five thousand, four hundred twenty-five".