427756548938 has 4 divisors (see below), whose sum is σ = 641634823410. Its totient is φ = 213878274468.

The previous prime is 427756548937. The next prime is 427756548971. The reversal of 427756548938 is 839845657724.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 426326725969 + 1429822969 = 652937^2 + 37813^2 .

It is not an unprimeable number, because it can be changed into a prime (427756548931) by changing a digit.

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 as a sum of consecutive naturals, namely, 106939137233 + ... + 106939137236.

Almost surely, 2^427756548938 is an apocalyptic number.

427756548938 is a deficient number, since it is larger than the sum of its proper divisors (213878274472).

427756548938 is a wasteful number, since it uses less digits than its factorization.

427756548938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213878274471.

The product of its digits is 406425600, while the sum is 68.

The spelling of 427756548938 in words is "four hundred twenty-seven billion, seven hundred fifty-six million, five hundred forty-eight thousand, nine hundred thirty-eight".