975728204865 has 24 divisors (see below), whose sum is σ = 1712670610560. Its totient is φ = 513801179424.

The previous prime is 975728204851. The next prime is 975728204881. The reversal of 975728204865 is 568402827579.

975728204865 is a `hidden beast` number, since 9 + 7 + 5 + 72 + 82 + 0 + 486 + 5 = 666.

It is not a de Polignac number, because 975728204865 - 2¹⁰ = 975728203841 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137229667 + ... + 137236776.

It is an arithmetic number, because the mean of its divisors is an integer number (71361275440).

Almost surely, 2^975728204865 is an apocalyptic number.

It is an amenable number.

975728204865 is a deficient number, since it is larger than the sum of its proper divisors (736942405695).

975728204865 is a wasteful number, since it uses less digits than its factorization.

975728204865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274466533 (or 274466530 counting only the distinct ones).

The product of its (nonzero) digits is 67737600, while the sum is 63.

The spelling of 975728204865 in words is "nine hundred seventy-five billion, seven hundred twenty-eight million, two hundred four thousand, eight hundred sixty-five".