8621829928 has 16 divisors (see below), whose sum is σ = 16169842260. Its totient is φ = 4309872000.

The previous prime is 8621829901. The next prime is 8621829929. The reversal of 8621829928 is 8299281268.

It can be written as a sum of positive squares in 2 ways, for example, as 8368956324 + 252873604 = 91482^2 + 15902^2 .

It is not an unprimeable number, because it can be changed into a prime (8621829929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94663 + ... + 161878.

Almost surely, 2^8621829928 is an apocalyptic number.

It is an amenable number.

8621829928 is a deficient number, since it is larger than the sum of its proper divisors (7548012332).

8621829928 is a wasteful number, since it uses less digits than its factorization.

8621829928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260748 (or 260744 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 55.

The square root of 8621829928 is about 92853.8094425856. The cubic root of 8621829928 is about 2050.5316826752.

The spelling of 8621829928 in words is "eight billion, six hundred twenty-one million, eight hundred twenty-nine thousand, nine hundred twenty-eight".