64286663 has 8 divisors (see below), whose sum is σ = 73801728. Its totient is φ = 54854424.

The previous prime is 64286659. The next prime is 64286693. The reversal of 64286663 is 36668246.

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 64286663 - 2² = 64286659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64286663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64286603) 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, 19031 + ... + 22152.

It is an arithmetic number, because the mean of its divisors is an integer number (9225216).

Almost surely, 2^64286663 is an apocalyptic number.

64286663 is a deficient number, since it is larger than the sum of its proper divisors (9515065).

64286663 is a wasteful number, since it uses less digits than its factorization.

64286663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41413.

The product of its digits is 248832, while the sum is 41.

The square root of 64286663 is about 8017.8964198847. The cubic root of 64286663 is about 400.5963251324.

The spelling of 64286663 in words is "sixty-four million, two hundred eighty-six thousand, six hundred sixty-three".