426888671 has 32 divisors (see below), whose sum is σ = 509483520. Its totient is φ = 353584000.

The previous prime is 426888667. The next prime is 426888673. The reversal of 426888671 is 176888624.

It is not a de Polignac number, because 426888671 - 2² = 426888667 is a prime.

It is a super-3 number, since 3×426888671³ (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 (426888673) 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 31 ways as a sum of consecutive naturals, for example, 608621 + ... + 609321.

It is an arithmetic number, because the mean of its divisors is an integer number (15921360).

Almost surely, 2^426888671 is an apocalyptic number.

426888671 is a deficient number, since it is larger than the sum of its proper divisors (82594849).

426888671 is a wasteful number, since it uses less digits than its factorization.

426888671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847.

The product of its digits is 1032192, while the sum is 50.

The square root of 426888671 is about 20661.2843502044. The cubic root of 426888671 is about 752.9593717626.

The spelling of 426888671 in words is "four hundred twenty-six million, eight hundred eighty-eight thousand, six hundred seventy-one".