427307663 has 8 divisors (see below), whose sum is σ = 465308400. Its totient is φ = 390858048.

The previous prime is 427307653. The next prime is 427307687. The reversal of 427307663 is 366703724.

It is a happy number.

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 427307663 - 2¹² = 427303567 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 (427307653) 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, 387206 + ... + 388307.

It is an arithmetic number, because the mean of its divisors is an integer number (58163550).

Almost surely, 2^427307663 is an apocalyptic number.

427307663 is a deficient number, since it is larger than the sum of its proper divisors (38000737).

427307663 is a wasteful number, since it uses less digits than its factorization.

427307663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775561.

The product of its (nonzero) digits is 127008, while the sum is 38.

The square root of 427307663 is about 20671.4214073440. The cubic root of 427307663 is about 753.2056348711.

The spelling of 427307663 in words is "four hundred twenty-seven million, three hundred seven thousand, six hundred sixty-three".