28390000597 has 8 divisors (see below), whose sum is σ = 32446812416. Its totient is φ = 24333463152.

The previous prime is 28390000579. The next prime is 28390000703. The reversal of 28390000597 is 79500009382.

It is a happy number.

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-28390000597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28390000997) 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, 254788 + ... + 348850.

It is an arithmetic number, because the mean of its divisors is an integer number (4055851552).

Almost surely, 2^28390000597 is an apocalyptic number.

It is an amenable number.

28390000597 is a deficient number, since it is larger than the sum of its proper divisors (4056811819).

28390000597 is an equidigital number, since it uses as much as digits as its factorization.

28390000597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137187.

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 28390000597 in words is "twenty-eight billion, three hundred ninety million, five hundred ninety-seven", and thus it is an aban number.