9477984642 has 24 divisors (see below), whose sum is σ = 22050822096. Its totient is φ = 2707995528.

The previous prime is 9477984599. The next prime is 9477984689. The reversal of 9477984642 is 2464897749.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16118728 + ... + 16119315.

It is an arithmetic number, because the mean of its divisors is an integer number (918784254).

Almost surely, 2^9477984642 is an apocalyptic number.

9477984642 is an abundant number, since it is smaller than the sum of its proper divisors (12572837454).

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

9477984642 is a wasteful number, since it uses less digits than its factorization.

9477984642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32238062 (or 32238055 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 60.

The square root of 9477984642 is about 97354.9415386810. The cubic root of 9477984642 is about 2116.2745061507.

The spelling of 9477984642 in words is "nine billion, four hundred seventy-seven million, nine hundred eighty-four thousand, six hundred forty-two".