74825776663 has 32 divisors (see below), whose sum is σ = 86015913984. Its totient is φ = 64478400000.

The previous prime is 74825776639. The next prime is 74825776699. The reversal of 74825776663 is 36667752847.

It is a cyclic number.

It is not a de Polignac number, because 74825776663 - 2⁵ = 74825776631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74825776603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3693963 + ... + 3714163.

It is an arithmetic number, because the mean of its divisors is an integer number (2687997312).

Almost surely, 2^74825776663 is an apocalyptic number.

74825776663 is a deficient number, since it is larger than the sum of its proper divisors (11190137321).

74825776663 is a wasteful number, since it uses less digits than its factorization.

74825776663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20487.

The product of its digits is 71124480, while the sum is 61.

The spelling of 74825776663 in words is "seventy-four billion, eight hundred twenty-five million, seven hundred seventy-six thousand, six hundred sixty-three".