9997470628 has 24 divisors (see below), whose sum is σ = 18280120320. Its totient is φ = 4775147520.

The previous prime is 9997470617. The next prime is 9997470629. The reversal of 9997470628 is 8260747999.

9997470628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (9997470629) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 93 + ... + 141403.

It is an arithmetic number, because the mean of its divisors is an integer number (761671680).

Almost surely, 2^9997470628 is an apocalyptic number.

It is an amenable number.

9997470628 is a deficient number, since it is larger than the sum of its proper divisors (8282649692).

9997470628 is a wasteful number, since it uses less digits than its factorization.

9997470628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142107 (or 142105 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 61.

The square root of 9997470628 is about 99987.3523401835. The cubic root of 9997470628 is about 2154.2530291554.

The spelling of 9997470628 in words is "nine billion, nine hundred ninety-seven million, four hundred seventy thousand, six hundred twenty-eight".