75312828563 has 4 divisors (see below), whose sum is σ = 86071804080. Its totient is φ = 64553853048.

The previous prime is 75312828499. The next prime is 75312828571. The reversal of 75312828563 is 36582821357.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36582821357 = 157 ⋅233011601.

It is a cyclic number.

It is not a de Polignac number, because 75312828563 - 2⁶ = 75312828499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75312828583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5379487748 + ... + 5379487761.

It is an arithmetic number, because the mean of its divisors is an integer number (21517951020).

Almost surely, 2^75312828563 is an apocalyptic number.

75312828563 is a deficient number, since it is larger than the sum of its proper divisors (10758975517).

75312828563 is a wasteful number, since it uses less digits than its factorization.

75312828563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10758975516.

The product of its digits is 2419200, while the sum is 50.

The spelling of 75312828563 in words is "seventy-five billion, three hundred twelve million, eight hundred twenty-eight thousand, five hundred sixty-three".