427816697 has 32 divisors (see below), whose sum is σ = 548640000. Its totient is φ = 330691200.

The previous prime is 427816691. The next prime is 427816751. The reversal of 427816697 is 796618724.

It is not a de Polignac number, because 427816697 - 2⁶ = 427816633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427816691) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 561797 + ... + 562557.

It is an arithmetic number, because the mean of its divisors is an integer number (17145000).

Almost surely, 2^427816697 is an apocalyptic number.

It is an amenable number.

427816697 is a deficient number, since it is larger than the sum of its proper divisors (120823303).

427816697 is a wasteful number, since it uses less digits than its factorization.

427816697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942 (or 928 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 50.

The square root of 427816697 is about 20683.7302486761. The cubic root of 427816697 is about 753.5046037915.

The spelling of 427816697 in words is "four hundred twenty-seven million, eight hundred sixteen thousand, six hundred ninety-seven".