427497599 has 4 divisors (see below), whose sum is σ = 427543320. Its totient is φ = 427451880.

The previous prime is 427497583. The next prime is 427497617. The reversal of 427497599 is 995794724.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 427497599 - 2⁴ = 427497583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427497299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3197 + ... + 29414.

It is an arithmetic number, because the mean of its divisors is an integer number (106885830).

Almost surely, 2^427497599 is an apocalyptic number.

427497599 is a deficient number, since it is larger than the sum of its proper divisors (45721).

427497599 is a wasteful number, since it uses less digits than its factorization.

427497599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45720.

The product of its digits is 5715360, while the sum is 56.

The square root of 427497599 is about 20676.0150657713. The cubic root of 427497599 is about 753.3172169828.

The spelling of 427497599 in words is "four hundred twenty-seven million, four hundred ninety-seven thousand, five hundred ninety-nine".