8648620628 has 6 divisors (see below), whose sum is σ = 15135086106. Its totient is φ = 4324310312.

The previous prime is 8648620619. The next prime is 8648620637. The reversal of 8648620628 is 8260268468.

It is an interprime number because it is at equal distance from previous prime (8648620619) and next prime (8648620637).

It can be written as a sum of positive squares in only one way, i.e., 8636356624 + 12264004 = 92932^2 + 3502^2 .

It is a super-2 number, since 2×8648620628² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081077575 + ... + 1081077582.

It is an arithmetic number, because the mean of its divisors is an integer number (2522514351).

Almost surely, 2^8648620628 is an apocalyptic number.

It is an amenable number.

8648620628 is a deficient number, since it is larger than the sum of its proper divisors (6486465478).

8648620628 is a wasteful number, since it uses less digits than its factorization.

8648620628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162155161 (or 2162155159 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 50.

The square root of 8648620628 is about 92997.9603432247. The cubic root of 8648620628 is about 2052.6533659458.

The spelling of 8648620628 in words is "eight billion, six hundred forty-eight million, six hundred twenty thousand, six hundred twenty-eight".