8972210686 has 8 divisors (see below), whose sum is σ = 13516077744. Its totient is φ = 4466851440.

The previous prime is 8972210659. The next prime is 8972210699. The reversal of 8972210686 is 6860122798.

8972210686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9626370 + ... + 9627301.

It is an arithmetic number, because the mean of its divisors is an integer number (1689509718).

Almost surely, 2^8972210686 is an apocalyptic number.

8972210686 is a deficient number, since it is larger than the sum of its proper divisors (4543867058).

8972210686 is a wasteful number, since it uses less digits than its factorization.

8972210686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19253906.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 8972210686 is about 94721.7540272561. The cubic root of 8972210686 is about 2077.9407230997.

The spelling of 8972210686 in words is "eight billion, nine hundred seventy-two million, two hundred ten thousand, six hundred eighty-six".