8616628946 has 4 divisors (see below), whose sum is σ = 12924943422. Its totient is φ = 4308314472.

The previous prime is 8616628907. The next prime is 8616628961. The reversal of 8616628946 is 6498266168.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4464244225 + 4152384721 = 66815^2 + 64439^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8616628891 and 8616628900.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2154157235 + ... + 2154157238.

Almost surely, 2^8616628946 is an apocalyptic number.

8616628946 is a deficient number, since it is larger than the sum of its proper divisors (4308314476).

8616628946 is a wasteful number, since it uses less digits than its factorization.

8616628946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4308314475.

The product of its digits is 5971968, while the sum is 56.

The square root of 8616628946 is about 92825.7989246524. The cubic root of 8616628946 is about 2050.1192828470.

The spelling of 8616628946 in words is "eight billion, six hundred sixteen million, six hundred twenty-eight thousand, nine hundred forty-six".