75750825825 has 18 divisors (see below), whose sum is σ = 135678146214. Its totient is φ = 40400440320.

The previous prime is 75750825817. The next prime is 75750825851. The reversal of 75750825825 is 52852805757.

75750825825 is a `hidden beast` number, since 7 + 5 + 7 + 50 + 8 + 2 + 582 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 19701210321 + 56049615504 = 140361^2 + 236748^2 .

It is not a de Polignac number, because 75750825825 - 2³ = 75750825817 is a prime.

It is a super-2 number, since 2×75750825825² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 168334944 + ... + 168335393.

Almost surely, 2^75750825825 is an apocalyptic number.

75750825825 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

75750825825 is a deficient number, since it is larger than the sum of its proper divisors (59927320389).

75750825825 is a wasteful number, since it uses less digits than its factorization.

75750825825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336670353 (or 336670345 counting only the distinct ones).

The product of its (nonzero) digits is 7840000, while the sum is 54.

The spelling of 75750825825 in words is "seventy-five billion, seven hundred fifty million, eight hundred twenty-five thousand, eight hundred twenty-five".