427678933 has 8 divisors (see below), whose sum is σ = 467041536. Its totient is φ = 388396800.

The previous prime is 427678873. The next prime is 427678943. The reversal of 427678933 is 339876724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-427678933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427678943) 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 in 7 ways as a sum of consecutive naturals, for example, 8716 + ... + 30517.

It is an arithmetic number, because the mean of its divisors is an integer number (58380192).

Almost surely, 2^427678933 is an apocalyptic number.

It is an amenable number.

427678933 is a deficient number, since it is larger than the sum of its proper divisors (39362603).

427678933 is a wasteful number, since it uses less digits than its factorization.

427678933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40235.

The product of its digits is 1524096, while the sum is 49.

The square root of 427678933 is about 20680.3997301793. The cubic root of 427678933 is about 753.4237148241.

The spelling of 427678933 in words is "four hundred twenty-seven million, six hundred seventy-eight thousand, nine hundred thirty-three".