647360574775 has 6 divisors (see below), whose sum is σ = 802727112752. Its totient is φ = 517888459800.

The previous prime is 647360574737. The next prime is 647360574799. The reversal of 647360574775 is 577475063746.

It is not a de Polignac number, because 647360574775 - 2¹³ = 647360566583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 12947211471 + ... + 12947211520.

Almost surely, 2^647360574775 is an apocalyptic number.

647360574775 is a deficient number, since it is larger than the sum of its proper divisors (155366537977).

647360574775 is a wasteful number, since it uses less digits than its factorization.

647360574775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25894423001 (or 25894422996 counting only the distinct ones).

The product of its (nonzero) digits is 103723200, while the sum is 61.

The spelling of 647360574775 in words is "six hundred forty-seven billion, three hundred sixty million, five hundred seventy-four thousand, seven hundred seventy-five".