75823768250 has 16 divisors (see below), whose sum is σ = 141942094632. Its totient is φ = 30329507200.

The previous prime is 75823768249. The next prime is 75823768259. The reversal of 75823768250 is 5286732857.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 38121391009 + 37702377241 = 195247^2 + 194171^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 75823768192 and 75823768201.

It is not an unprimeable number, because it can be changed into a prime (75823768259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151647287 + ... + 151647786.

Almost surely, 2^75823768250 is an apocalyptic number.

75823768250 is a deficient number, since it is larger than the sum of its proper divisors (66118326382).

75823768250 is a wasteful number, since it uses less digits than its factorization.

75823768250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303295090 (or 303295080 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 53.

The spelling of 75823768250 in words is "seventy-five billion, eight hundred twenty-three million, seven hundred sixty-eight thousand, two hundred fifty".