28107657255 has 16 divisors (see below), whose sum is σ = 45274082400. Its totient is φ = 14890140288.

The previous prime is 28107657223. The next prime is 28107657257. The reversal of 28107657255 is 55275670182.

It is not a de Polignac number, because 28107657255 - 2⁵ = 28107657223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28107657257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6285832 + ... + 6290301.

It is an arithmetic number, because the mean of its divisors is an integer number (2829630150).

Almost surely, 2^28107657255 is an apocalyptic number.

28107657255 is a deficient number, since it is larger than the sum of its proper divisors (17166425145).

28107657255 is a wasteful number, since it uses less digits than its factorization.

28107657255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12576290.

The product of its (nonzero) digits is 1176000, while the sum is 48.

The spelling of 28107657255 in words is "twenty-eight billion, one hundred seven million, six hundred fifty-seven thousand, two hundred fifty-five".