426788697 has 16 divisors (see below), whose sum is σ = 599987520. Its totient is φ = 269107200.

The previous prime is 426788671. The next prime is 426788743. The reversal of 426788697 is 796887624.

It is not a de Polignac number, because 426788697 - 2⁷ = 426788569 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (426788647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30697 + ... + 42377.

It is an arithmetic number, because the mean of its divisors is an integer number (37499220).

Almost surely, 2^426788697 is an apocalyptic number.

It is an amenable number.

426788697 is a deficient number, since it is larger than the sum of its proper divisors (173198823).

426788697 is a wasteful number, since it uses less digits than its factorization.

426788697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12344.

The product of its digits is 8128512, while the sum is 57.

The square root of 426788697 is about 20658.8648526486. The cubic root of 426788697 is about 752.9005881011.

The spelling of 426788697 in words is "four hundred twenty-six million, seven hundred eighty-eight thousand, six hundred ninety-seven".