75727446663 has 16 divisors (see below), whose sum is σ = 114938102016. Its totient is φ = 43899968640.

The previous prime is 75727446593. The next prime is 75727446671. The reversal of 75727446663 is 36664472757.

It is not a de Polignac number, because 75727446663 - 2¹⁰ = 75727445639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75727446563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49885570 + ... + 49887087.

It is an arithmetic number, because the mean of its divisors is an integer number (7183631376).

Almost surely, 2^75727446663 is an apocalyptic number.

75727446663 is a deficient number, since it is larger than the sum of its proper divisors (39210655353).

75727446663 is a wasteful number, since it uses less digits than its factorization.

75727446663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99772694.

The product of its digits is 35562240, while the sum is 57.

The spelling of 75727446663 in words is "seventy-five billion, seven hundred twenty-seven million, four hundred forty-six thousand, six hundred sixty-three".