427720097 has 16 divisors (see below), whose sum is σ = 503838720. Its totient is φ = 355480272.

The previous prime is 427720081. The next prime is 427720099. The reversal of 427720097 is 790027724.

It is not a de Polignac number, because 427720097 - 2⁴ = 427720081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 427720097.

It is not an unprimeable number, because it can be changed into a prime (427720099) 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, 36728 + ... + 46950.

It is an arithmetic number, because the mean of its divisors is an integer number (31489920).

Almost surely, 2^427720097 is an apocalyptic number.

It is an amenable number.

427720097 is a deficient number, since it is larger than the sum of its proper divisors (76118623).

427720097 is a wasteful number, since it uses less digits than its factorization.

427720097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10412.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 427720097 is about 20681.3949481170. The cubic root of 427720097 is about 753.4478863356.

The spelling of 427720097 in words is "four hundred twenty-seven million, seven hundred twenty thousand, ninety-seven".