8643970100 has 36 divisors (see below), whose sum is σ = 18869771424. Its totient is φ = 3436877280.

The previous prime is 8643970073. The next prime is 8643970109. The reversal of 8643970100 is 10793468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8643970109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242102 + ... + 275501.

Almost surely, 2^8643970100 is an apocalyptic number.

It is an amenable number.

8643970100 is an abundant number, since it is smaller than the sum of its proper divisors (10225801324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8643970100 is a wasteful number, since it uses less digits than its factorization.

8643970100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517784 (or 517777 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 8643970100 is about 92972.9535940426. The cubic root of 8643970100 is about 2052.2853830468.

The spelling of 8643970100 in words is "eight billion, six hundred forty-three million, nine hundred seventy thousand, one hundred".