75828205827 has 18 divisors (see below), whose sum is σ = 120392075076. Its totient is φ = 45956487720.

The previous prime is 75828205787. The next prime is 75828205861. The reversal of 75828205827 is 72850282857.

75828205827 is a `hidden beast` number, since 7 + 58 + 2 + 8 + 2 + 0 + 582 + 7 = 666.

It is not a de Polignac number, because 75828205827 - 2²⁰ = 75827157251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75828205877) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 34814433 + ... + 34816610.

Almost surely, 2^75828205827 is an apocalyptic number.

75828205827 is a deficient number, since it is larger than the sum of its proper divisors (44563869249).

75828205827 is a wasteful number, since it uses less digits than its factorization.

75828205827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69631071 (or 69631057 counting only the distinct ones).

The product of its (nonzero) digits is 5017600, while the sum is 54.

The spelling of 75828205827 in words is "seventy-five billion, eight hundred twenty-eight million, two hundred five thousand, eight hundred twenty-seven".