28594977129608 has 12 divisors (see below), whose sum is σ = 53615610477045. Its totient is φ = 14297481002400.

The previous prime is 28594977129601. The next prime is 28594977129637. The reversal of 28594977129608 is 80692177949582.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 20800148675524 + 7794828454084 = 4560718^2 + 2791922^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=3781202.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28594977129601) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 14179508 + ... + 16070108.

Almost surely, 2^{28594977129608} is an apocalyptic number.

It is an amenable number.

28594977129608 is a deficient number, since it is larger than the sum of its proper divisors (25020633347437).

28594977129608 is an frugal number, since it uses more digits than its factorization.

28594977129608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3781208 (or 1890603 counting only the distinct ones).

The product of its (nonzero) digits is 1097349120, while the sum is 77.

The spelling of 28594977129608 in words is "twenty-eight trillion, five hundred ninety-four billion, nine hundred seventy-seven million, one hundred twenty-nine thousand, six hundred eight".