427881075629 has 16 divisors (see below), whose sum is σ = 519238885248. Its totient is φ = 344203487232.

The previous prime is 427881075607. The next prime is 427881075649. The reversal of 427881075629 is 926570188724.

It is a cyclic number.

It is not a de Polignac number, because 427881075629 - 2⁸ = 427881075373 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427881075649) 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 15 ways as a sum of consecutive naturals, for example, 5050967 + ... + 5134980.

It is an arithmetic number, because the mean of its divisors is an integer number (32452430328).

Almost surely, 2^427881075629 is an apocalyptic number.

It is an amenable number.

427881075629 is a deficient number, since it is larger than the sum of its proper divisors (91357809619).

427881075629 is a wasteful number, since it uses less digits than its factorization.

427881075629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10186324.

The product of its (nonzero) digits is 13547520, while the sum is 59.

The spelling of 427881075629 in words is "four hundred twenty-seven billion, eight hundred eighty-one million, seventy-five thousand, six hundred twenty-nine".