426785897 has 8 divisors (see below), whose sum is σ = 449928192. Its totient is φ = 404229600.

The previous prime is 426785893. The next prime is 426785921. The reversal of 426785897 is 798587624.

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

It is a cyclic number.

It is not a de Polignac number, because 426785897 - 2² = 426785893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426785893) 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, 145004 + ... + 147917.

It is an arithmetic number, because the mean of its divisors is an integer number (56241024).

Almost surely, 2^426785897 is an apocalyptic number.

426785897 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

426785897 is a deficient number, since it is larger than the sum of its proper divisors (23142295).

426785897 is a wasteful number, since it uses less digits than its factorization.

426785897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292999.

The product of its digits is 6773760, while the sum is 56.

The square root of 426785897 is about 20658.7970850193. The cubic root of 426785897 is about 752.8989415984.

The spelling of 426785897 in words is "four hundred twenty-six million, seven hundred eighty-five thousand, eight hundred ninety-seven".