427716651 has 8 divisors (see below), whose sum is σ = 603835344. Its totient is φ = 268371200.

The previous prime is 427716649. The next prime is 427716659. The reversal of 427716651 is 156617724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 427716651 - 2¹ = 427716649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (427716659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4193250 + ... + 4193351.

It is an arithmetic number, because the mean of its divisors is an integer number (75479418).

Almost surely, 2^427716651 is an apocalyptic number.

427716651 is a deficient number, since it is larger than the sum of its proper divisors (176118693).

427716651 is a wasteful number, since it uses less digits than its factorization.

427716651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8386621.

The product of its digits is 70560, while the sum is 39.

The square root of 427716651 is about 20681.3116363542. The cubic root of 427716651 is about 753.4458629030.

The spelling of 427716651 in words is "four hundred twenty-seven million, seven hundred sixteen thousand, six hundred fifty-one".