679454451 has 48 divisors (see below), whose sum is σ = 1079350272. Its totient is φ = 409348800.

The previous prime is 679454449. The next prime is 679454471. The reversal of 679454451 is 154454976.

679454451 is a `hidden beast` number, since 67 + 94 + 54 + 451 = 666.

It is not a de Polignac number, because 679454451 - 2¹ = 679454449 is a prime.

It is a super-2 number, since 2×679454451² = 923316701967422802, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 679454397 and 679454406.

It is not an unprimeable number, because it can be changed into a prime (679454411) 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 47 ways as a sum of consecutive naturals, for example, 2184586 + ... + 2184896.

It is an arithmetic number, because the mean of its divisors is an integer number (22486464).

Almost surely, 2^679454451 is an apocalyptic number.

679454451 is a deficient number, since it is larger than the sum of its proper divisors (399895821).

679454451 is a wasteful number, since it uses less digits than its factorization.

679454451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664 (or 661 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 679454451 is about 26066.3470973591. The cubic root of 679454451 is about 879.1307062171.

The spelling of 679454451 in words is "six hundred seventy-nine million, four hundred fifty-four thousand, four hundred fifty-one".