28137276557357 has 8 divisors (see below), whose sum is σ = 30780712774080. Its totient is φ = 25508090671360.

The previous prime is 28137276557339. The next prime is 28137276557381. The reversal of 28137276557357 is 75375567273182.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28137276557357 - 2³⁰ = 28136202815533 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 (28137276547357) 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, 3562578548 + ... + 3562586445.

It is an arithmetic number, because the mean of its divisors is an integer number (3847589096760).

Almost surely, 2^{28137276557357} is an apocalyptic number.

It is an amenable number.

28137276557357 is a deficient number, since it is larger than the sum of its proper divisors (2643436216723).

28137276557357 is a wasteful number, since it uses less digits than its factorization.

28137276557357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7125165363.

The product of its digits is 518616000, while the sum is 68.

The spelling of 28137276557357 in words is "twenty-eight trillion, one hundred thirty-seven billion, two hundred seventy-six million, five hundred fifty-seven thousand, three hundred fifty-seven".