28260055402617 has 12 divisors (see below), whose sum is σ = 38934769362000. Its totient is φ = 18232293806280.

The previous prime is 28260055402591. The next prime is 28260055402693. The reversal of 28260055402617 is 71620455006282.

It is a de Polignac number, because none of the positive numbers 2^k-28260055402617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28260055402417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4901151367 + ... + 4901157132.

It is an arithmetic number, because the mean of its divisors is an integer number (3244564113500).

Almost surely, 2^{28260055402617} is an apocalyptic number.

It is an amenable number.

28260055402617 is a deficient number, since it is larger than the sum of its proper divisors (10674713959383).

28260055402617 is an equidigital number, since it uses as much as digits as its factorization.

28260055402617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9802308564 (or 9802308533 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 28260055402617 in words is "twenty-eight trillion, two hundred sixty billion, fifty-five million, four hundred two thousand, six hundred seventeen".