8642865730 has 16 divisors (see below), whose sum is σ = 16375956480. Its totient is φ = 3275191152.

The previous prime is 8642865701. The next prime is 8642865769. The reversal of 8642865730 is 375682468.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22744194 + ... + 22744573.

It is an arithmetic number, because the mean of its divisors is an integer number (1023497280).

Almost surely, 2^8642865730 is an apocalyptic number.

8642865730 is a deficient number, since it is larger than the sum of its proper divisors (7733090750).

8642865730 is a wasteful number, since it uses less digits than its factorization.

8642865730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45488793.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The square root of 8642865730 is about 92967.0142039638. The cubic root of 8642865730 is about 2052.1979780345.

The spelling of 8642865730 in words is "eight billion, six hundred forty-two million, eight hundred sixty-five thousand, seven hundred thirty".