426975771 has 8 divisors (see below), whose sum is σ = 599264320. Its totient is φ = 269668872.

The previous prime is 426975751. The next prime is 426975799. The reversal of 426975771 is 177579624.

It is a happy number.

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

It is not a de Polignac number, because 426975771 - 2⁷ = 426975643 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 426975771.

It is not an unprimeable number, because it can be changed into a prime (426975701) 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, 3745345 + ... + 3745458.

It is an arithmetic number, because the mean of its divisors is an integer number (74908040).

Almost surely, 2^426975771 is an apocalyptic number.

426975771 is a deficient number, since it is larger than the sum of its proper divisors (172288549).

426975771 is a wasteful number, since it uses less digits than its factorization.

426975771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7490825.

The product of its digits is 740880, while the sum is 48.

The square root of 426975771 is about 20663.3920497096. The cubic root of 426975771 is about 753.0105781667.

The spelling of 426975771 in words is "four hundred twenty-six million, nine hundred seventy-five thousand, seven hundred seventy-one".