427748750784 has 84 divisors (see below), whose sum is σ = 1234184445520. Its totient is φ = 141638630400.

The previous prime is 427748750773. The next prime is 427748750789. The reversal of 427748750784 is 487057847724.

427748750784 is a `hidden beast` number, since 4 + 2 + 7 + 7 + 48 + 7 + 507 + 84 = 666.

It is a super-2 number, since 2×427748750784² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427748750789) 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 11 ways as a sum of consecutive naturals, for example, 2372029 + ... + 2545980.

Almost surely, 2^427748750784 is an apocalyptic number.

It is an amenable number.

427748750784 is an abundant number, since it is smaller than the sum of its proper divisors (806435694736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427748750784 is a wasteful number, since it uses less digits than its factorization.

427748750784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4918178 (or 4918165 counting only the distinct ones).

The product of its (nonzero) digits is 98344960, while the sum is 63.

The spelling of 427748750784 in words is "four hundred twenty-seven billion, seven hundred forty-eight million, seven hundred fifty thousand, seven hundred eighty-four".