8197647430735 has 16 divisors (see below), whose sum is σ = 11243374516800. Its totient is φ = 5620800646656.

The previous prime is 8197647430697. The next prime is 8197647430757. The reversal of 8197647430735 is 5370347467918.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8197647430735 is a prime.

It is a super-2 number, since 2×8197647430735² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8785080 + ... + 9673309.

It is an arithmetic number, because the mean of its divisors is an integer number (702710907300).

Almost surely, 2^{8197647430735} is an apocalyptic number.

8197647430735 is a deficient number, since it is larger than the sum of its proper divisors (3045727086065).

8197647430735 is a wasteful number, since it uses less digits than its factorization.

8197647430735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18471090.

The product of its (nonzero) digits is 106686720, while the sum is 64.

The spelling of 8197647430735 in words is "eight trillion, one hundred ninety-seven billion, six hundred forty-seven million, four hundred thirty thousand, seven hundred thirty-five".