647789035061 has 12 divisors (see below), whose sum is σ = 754381378368. Its totient is φ = 554635525752.

The previous prime is 647789035051. The next prime is 647789035063. The reversal of 647789035061 is 160530987746.

It is not a de Polignac number, because 647789035061 - 2¹⁴ = 647789018677 is a prime.

It is a super-2 number, since 2×647789035061² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 647789034988 and 647789035006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (647789035063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7243421 + ... + 7332306.

It is an arithmetic number, because the mean of its divisors is an integer number (62865114864).

Almost surely, 2^647789035061 is an apocalyptic number.

It is an amenable number.

647789035061 is a deficient number, since it is larger than the sum of its proper divisors (106592343307).

647789035061 is a wasteful number, since it uses less digits than its factorization.

647789035061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14576648 (or 14576641 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 56.

The spelling of 647789035061 in words is "six hundred forty-seven billion, seven hundred eighty-nine million, thirty-five thousand, sixty-one".