647812036975 has 12 divisors (see below), whose sum is σ = 803298318256. Its totient is φ = 518242279680.

The previous prime is 647812036967. The next prime is 647812036979. The reversal of 647812036975 is 579630218746.

It is not a de Polignac number, because 647812036975 - 2³ = 647812036967 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 (647812036979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2242399 + ... + 2514751.

It is a 1-persistent number, because it is pandigital, but 2⋅647812036975 = 1295624073950 is not.

Almost surely, 2^647812036975 is an apocalyptic number.

647812036975 is a deficient number, since it is larger than the sum of its proper divisors (155486281281).

647812036975 is a wasteful number, since it uses less digits than its factorization.

647812036975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367506 (or 367501 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 58.

The spelling of 647812036975 in words is "six hundred forty-seven billion, eight hundred twelve million, thirty-six thousand, nine hundred seventy-five".