678492351 has 12 divisors (see below), whose sum is σ = 982719712. Its totient is φ = 451093536.

The previous prime is 678492349. The next prime is 678492403. The reversal of 678492351 is 153294876.

It is not a de Polignac number, because 678492351 - 2¹ = 678492349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 678492297 and 678492306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678452351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99406 + ... + 106011.

Almost surely, 2^678492351 is an apocalyptic number.

678492351 is a deficient number, since it is larger than the sum of its proper divisors (304227361).

678492351 is a wasteful number, since it uses less digits than its factorization.

678492351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205790 (or 205787 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 678492351 is about 26047.8857299398. The cubic root of 678492351 is about 878.7155637522.

The spelling of 678492351 in words is "six hundred seventy-eight million, four hundred ninety-two thousand, three hundred fifty-one".