28575010517 has 2 divisors, whose sum is σ = 28575010518. Its totient is φ = 28575010516.

The previous prime is 28575010441. The next prime is 28575010589. The reversal of 28575010517 is 71501057582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23935493521 + 4639516996 = 154711^2 + 68114^2 .

It is a cyclic number.

It is not a de Polignac number, because 28575010517 - 2¹⁸ = 28574748373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28575010417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14287505258 + 14287505259.

It is an arithmetic number, because the mean of its divisors is an integer number (14287505259).

Almost surely, 2^28575010517 is an apocalyptic number.

It is an amenable number.

28575010517 is a deficient number, since it is larger than the sum of its proper divisors (1).

28575010517 is an equidigital number, since it uses as much as digits as its factorization.

28575010517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98000, while the sum is 41.

The spelling of 28575010517 in words is "twenty-eight billion, five hundred seventy-five million, ten thousand, five hundred seventeen".