8623620609 has 16 divisors (see below), whose sum is σ = 11536274880. Its totient is φ = 5730056640.

The previous prime is 8623620601. The next prime is 8623620659. The reversal of 8623620609 is 9060263268.

It is not a de Polignac number, because 8623620609 - 2³ = 8623620601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8623620601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1225102 + ... + 1232120.

It is an arithmetic number, because the mean of its divisors is an integer number (721017180).

Almost surely, 2^8623620609 is an apocalyptic number.

It is an amenable number.

8623620609 is a deficient number, since it is larger than the sum of its proper divisors (2912654271).

8623620609 is a wasteful number, since it uses less digits than its factorization.

8623620609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8320.

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 8623620609 is about 92863.4514165826. The cubic root of 8623620609 is about 2050.6736321987.

The spelling of 8623620609 in words is "eight billion, six hundred twenty-three million, six hundred twenty thousand, six hundred nine".