28008101597 has 4 divisors (see below), whose sum is σ = 32009258976. Its totient is φ = 24006944220.

The previous prime is 28008101567. The next prime is 28008101617. The reversal of 28008101597 is 79510180082.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 28008101597 - 2¹⁰ = 28008100573 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 (28008101567) 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, 2000578679 + ... + 2000578692.

It is an arithmetic number, because the mean of its divisors is an integer number (8002314744).

Almost surely, 2^28008101597 is an apocalyptic number.

It is an amenable number.

28008101597 is a deficient number, since it is larger than the sum of its proper divisors (4001157379).

28008101597 is an equidigital number, since it uses as much as digits as its factorization.

28008101597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4001157378.

The product of its (nonzero) digits is 40320, while the sum is 41.

The spelling of 28008101597 in words is "twenty-eight billion, eight million, one hundred one thousand, five hundred ninety-seven".