28552174617 has 16 divisors (see below), whose sum is σ = 38974680000. Its totient is φ = 18586557504.

The previous prime is 28552174613. The next prime is 28552174649. The reversal of 28552174617 is 71647125582.

It is not a de Polignac number, because 28552174617 - 2² = 28552174613 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28552174613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 514942 + ... + 567687.

It is an arithmetic number, because the mean of its divisors is an integer number (2435917500).

Almost surely, 2^28552174617 is an apocalyptic number.

It is an amenable number.

28552174617 is a deficient number, since it is larger than the sum of its proper divisors (10422505383).

28552174617 is a wasteful number, since it uses less digits than its factorization.

28552174617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082840.

The product of its digits is 940800, while the sum is 48.

The spelling of 28552174617 in words is "twenty-eight billion, five hundred fifty-two million, one hundred seventy-four thousand, six hundred seventeen".