647240417467 has 8 divisors (see below), whose sum is σ = 751829618912. Its totient is φ = 545682787200.

The previous prime is 647240417423. The next prime is 647240417521. The reversal of 647240417467 is 764714042746.

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 647240417467 - 2²⁷ = 647106199739 is a prime.

It is a super-3 number, since 3×647240417467³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (647240414467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 757892334 + ... + 757893187.

It is an arithmetic number, because the mean of its divisors is an integer number (93978702364).

Almost surely, 2^647240417467 is an apocalyptic number.

647240417467 is a deficient number, since it is larger than the sum of its proper divisors (104589201445).

647240417467 is a wasteful number, since it uses less digits than its factorization.

647240417467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515785589.

The product of its (nonzero) digits is 6322176, while the sum is 52.

The spelling of 647240417467 in words is "six hundred forty-seven billion, two hundred forty million, four hundred seventeen thousand, four hundred sixty-seven".