975728204863 has 4 divisors (see below), whose sum is σ = 984679839880. Its totient is φ = 966776569848.

The previous prime is 975728204851. The next prime is 975728204881. The reversal of 975728204863 is 368402827579.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 368402827579 = 41 ⋅8985434819.

It is a cyclic number.

It is not a de Polignac number, because 975728204863 - 2²⁹ = 975191333951 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 (975728274863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4475817345 + ... + 4475817562.

It is an arithmetic number, because the mean of its divisors is an integer number (246169959970).

Almost surely, 2^975728204863 is an apocalyptic number.

975728204863 is a deficient number, since it is larger than the sum of its proper divisors (8951635017).

975728204863 is a wasteful number, since it uses less digits than its factorization.

975728204863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8951635016.

The product of its (nonzero) digits is 40642560, while the sum is 61.

The spelling of 975728204863 in words is "nine hundred seventy-five billion, seven hundred twenty-eight million, two hundred four thousand, eight hundred sixty-three".