427722611 has 4 divisors (see below), whose sum is σ = 427795872. Its totient is φ = 427649352.

The previous prime is 427722583. The next prime is 427722613. The reversal of 427722611 is 116227724.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-427722611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427722613) 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, 27035 + ... + 39828.

It is an arithmetic number, because the mean of its divisors is an integer number (106948968).

Almost surely, 2^427722611 is an apocalyptic number.

427722611 is a deficient number, since it is larger than the sum of its proper divisors (73261).

427722611 is an equidigital number, since it uses as much as digits as its factorization.

427722611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73260.

The product of its digits is 9408, while the sum is 32.

The square root of 427722611 is about 20681.4557272935. The cubic root of 427722611 is about 753.4493625068.

The spelling of 427722611 in words is "four hundred twenty-seven million, seven hundred twenty-two thousand, six hundred eleven".