647004063 has 8 divisors (see below), whose sum is σ = 863327488. Its totient is φ = 431008344.

The previous prime is 647004049. The next prime is 647004077. The reversal of 647004063 is 360400746.

It is an interprime number because it is at equal distance from previous prime (647004049) and next prime (647004077).

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

It is not a de Polignac number, because 647004063 - 2⁴ = 647004047 is a prime.

It is a super-2 number, since 2×647004063² = 837228515077015938, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 647004063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (647004013) 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, 77281 + ... + 85242.

It is an arithmetic number, because the mean of its divisors is an integer number (107915936).

Almost surely, 2^647004063 is an apocalyptic number.

647004063 is a deficient number, since it is larger than the sum of its proper divisors (216323425).

647004063 is a wasteful number, since it uses less digits than its factorization.

647004063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163853.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 647004063 is about 25436.2745503346. The cubic root of 647004063 is about 864.9061847089.

The spelling of 647004063 in words is "six hundred forty-seven million, four thousand, sixty-three".