426544679 has 8 divisors (see below), whose sum is σ = 466217472. Its totient is φ = 387021240.

The previous prime is 426544669. The next prime is 426544681. The reversal of 426544679 is 976445624.

426544679 is nontrivially palindromic in base 7.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426544679 is a prime.

It is a super-3 number, since 3×426544679³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426544609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31319 + ... + 42824.

It is an arithmetic number, because the mean of its divisors is an integer number (58277184).

Almost surely, 2^426544679 is an apocalyptic number.

426544679 is a deficient number, since it is larger than the sum of its proper divisors (39672793).

426544679 is a wasteful number, since it uses less digits than its factorization.

426544679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74677.

The product of its digits is 1451520, while the sum is 47.

The square root of 426544679 is about 20652.9581174223. The cubic root of 426544679 is about 752.7570695227.

The spelling of 426544679 in words is "four hundred twenty-six million, five hundred forty-four thousand, six hundred seventy-nine".