10728004257 has 80 divisors (see below), whose sum is σ = 17411338560. Its totient is φ = 6559740288.

The previous prime is 10728004237. The next prime is 10728004267. The reversal of 10728004257 is 75240082701.

It is not a de Polignac number, because 10728004257 - 2⁶ = 10728004193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10728004237) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 16683978 + ... + 16684620.

It is an arithmetic number, because the mean of its divisors is an integer number (217641732).

Almost surely, 2^10728004257 is an apocalyptic number.

It is an amenable number.

10728004257 is a deficient number, since it is larger than the sum of its proper divisors (6683334303).

10728004257 is a wasteful number, since it uses less digits than its factorization.

10728004257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004 (or 995 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

Adding to 10728004257 its reverse (75240082701), we get a palindrome (85968086958).

The spelling of 10728004257 in words is "ten billion, seven hundred twenty-eight million, four thousand, two hundred fifty-seven".