647285302007 has 4 divisors (see below), whose sum is σ = 647532643296. Its totient is φ = 647037960720.

The previous prime is 647285301967. The next prime is 647285302073. The reversal of 647285302007 is 700203582746.

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

It is a cyclic number.

It is not a de Polignac number, because 647285302007 - 2¹⁴ = 647285285623 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 (647285302087) 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, 123666719 + ... + 123671952.

It is an arithmetic number, because the mean of its divisors is an integer number (161883160824).

Almost surely, 2^647285302007 is an apocalyptic number.

647285302007 is a deficient number, since it is larger than the sum of its proper divisors (247341289).

647285302007 is a wasteful number, since it uses less digits than its factorization.

647285302007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247341288.

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 647285302007 in words is "six hundred forty-seven billion, two hundred eighty-five million, three hundred two thousand, seven".