431457678 has 96 divisors (see below), whose sum is σ = 1012677120. Its totient is φ = 137557440.

The previous prime is 431457647. The next prime is 431457701. The reversal of 431457678 is 876754134.

431457678 is a `hidden beast` number, since 4 + 3 + 1 + 4 + 576 + 78 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1175451 + ... + 1175817.

It is an arithmetic number, because the mean of its divisors is an integer number (10548720).

Almost surely, 2^431457678 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 431457678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (506338560).

431457678 is an abundant number, since it is smaller than the sum of its proper divisors (581219442).

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

431457678 is a wasteful number, since it uses less digits than its factorization.

431457678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484 (or 472 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 431457678 is about 20771.5593540784. The cubic root of 431457678 is about 755.6361627940.

The spelling of 431457678 in words is "four hundred thirty-one million, four hundred fifty-seven thousand, six hundred seventy-eight".