647712471883 has 4 divisors (see below), whose sum is σ = 675873883728. Its totient is φ = 619551060040.

The previous prime is 647712471859. The next prime is 647712471899. The reversal of 647712471883 is 388174217746.

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 647712471883 - 2²⁵ = 647678917451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (647712471383) 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, 14080705888 + ... + 14080705933.

It is an arithmetic number, because the mean of its divisors is an integer number (168968470932).

Almost surely, 2^647712471883 is an apocalyptic number.

647712471883 is a deficient number, since it is larger than the sum of its proper divisors (28161411845).

647712471883 is a wasteful number, since it uses less digits than its factorization.

647712471883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28161411844.

The product of its digits is 12644352, while the sum is 58.

The spelling of 647712471883 in words is "six hundred forty-seven billion, seven hundred twelve million, four hundred seventy-one thousand, eight hundred eighty-three".