8101607647 has 4 divisors (see below), whose sum is σ = 9258980176. Its totient is φ = 6944235120.

The previous prime is 8101607629. The next prime is 8101607663. The reversal of 8101607647 is 7467061018.

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 8101607647 - 2²⁷ = 7967389919 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 (8101607677) 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, 578686254 + ... + 578686267.

It is an arithmetic number, because the mean of its divisors is an integer number (2314745044).

Almost surely, 2^8101607647 is an apocalyptic number.

8101607647 is a deficient number, since it is larger than the sum of its proper divisors (1157372529).

8101607647 is a wasteful number, since it uses less digits than its factorization.

8101607647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157372528.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 8101607647 is about 90008.9309291028. The cubic root of 8101607647 is about 2008.4317071208.

The spelling of 8101607647 in words is "eight billion, one hundred one million, six hundred seven thousand, six hundred forty-seven".