28552746917 has 16 divisors (see below), whose sum is σ = 30664327680. Its totient is φ = 26524839792.

The previous prime is 28552746913. The next prime is 28552746941. The reversal of 28552746917 is 71964725582.

It is not a de Polignac number, because 28552746917 - 2² = 28552746913 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 (28552746913) 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, 14123 + ... + 239384.

It is an arithmetic number, because the mean of its divisors is an integer number (1916520480).

Almost surely, 2^28552746917 is an apocalyptic number.

It is an amenable number.

28552746917 is a deficient number, since it is larger than the sum of its proper divisors (2111580763).

28552746917 is a wasteful number, since it uses less digits than its factorization.

28552746917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253672.

The product of its digits is 8467200, while the sum is 56.

The spelling of 28552746917 in words is "twenty-eight billion, five hundred fifty-two million, seven hundred forty-six thousand, nine hundred seventeen".