8700645243 has 8 divisors (see below), whose sum is σ = 12211432000. Its totient is φ = 5495144328.

The previous prime is 8700645211. The next prime is 8700645253. The reversal of 8700645243 is 3425460078.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8700645243 - 2⁵ = 8700645211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8700645253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76321393 + ... + 76321506.

It is an arithmetic number, because the mean of its divisors is an integer number (1526429000).

Almost surely, 2^8700645243 is an apocalyptic number.

8700645243 is a deficient number, since it is larger than the sum of its proper divisors (3510786757).

8700645243 is a wasteful number, since it uses less digits than its factorization.

8700645243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152642921.

The product of its (nonzero) digits is 161280, while the sum is 39.

The square root of 8700645243 is about 93277.2493322997. The cubic root of 8700645243 is about 2056.7609608419.

The spelling of 8700645243 in words is "eight billion, seven hundred million, six hundred forty-five thousand, two hundred forty-three".