8616628947 has 6 divisors (see below), whose sum is σ = 11489052972. Its totient is φ = 5744312112.

The previous prime is 8616628907. The next prime is 8616628961. The reversal of 8616628947 is 7498266168.

It is not a de Polignac number, because 8616628947 - 2²⁰ = 8615580371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8616628907) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 133983 + ... + 187575.

It is an arithmetic number, because the mean of its divisors is an integer number (1914842162).

Almost surely, 2^8616628947 is an apocalyptic number.

8616628947 is a deficient number, since it is larger than the sum of its proper divisors (2872424025).

8616628947 is an frugal number, since it uses more digits than its factorization.

8616628947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107189 (or 53596 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 57.

The square root of 8616628947 is about 92825.7989300388. The cubic root of 8616628947 is about 2050.1192829263.

The spelling of 8616628947 in words is "eight billion, six hundred sixteen million, six hundred twenty-eight thousand, nine hundred forty-seven".