75828750829 has 4 divisors (see below), whose sum is σ = 81661731676. Its totient is φ = 69995769984.

The previous prime is 75828750821. The next prime is 75828750839. The reversal of 75828750829 is 92805782857.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92805782857 = 5417 ⋅17132321.

It can be written as a sum of positive squares in 2 ways, for example, as 28926185929 + 46902564900 = 170077^2 + 216570^2 .

It is a cyclic number.

It is not a de Polignac number, because 75828750829 - 2³ = 75828750821 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 (75828750821) 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, 2916490404 + ... + 2916490429.

It is an arithmetic number, because the mean of its divisors is an integer number (20415432919).

Almost surely, 2^75828750829 is an apocalyptic number.

It is an amenable number.

75828750829 is a deficient number, since it is larger than the sum of its proper divisors (5832980847).

75828750829 is a wasteful number, since it uses less digits than its factorization.

75828750829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5832980846.

The product of its (nonzero) digits is 22579200, while the sum is 61.

The spelling of 75828750829 in words is "seventy-five billion, eight hundred twenty-eight million, seven hundred fifty thousand, eight hundred twenty-nine".