9442777947 has 16 divisors (see below), whose sum is σ = 13412703360. Its totient is φ = 5892003072.

The previous prime is 9442777933. The next prime is 9442777969. The reversal of 9442777947 is 7497772449.

It is not a de Polignac number, because 9442777947 - 2⁷ = 9442777819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9442770947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 993238 + ... + 1002699.

It is an arithmetic number, because the mean of its divisors is an integer number (838293960).

Almost surely, 2^9442777947 is an apocalyptic number.

9442777947 is a deficient number, since it is larger than the sum of its proper divisors (3969925413).

9442777947 is a wasteful number, since it uses less digits than its factorization.

9442777947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1996042.

The product of its digits is 24893568, while the sum is 60.

The square root of 9442777947 is about 97173.9571438768. The cubic root of 9442777947 is about 2113.6509007199.

The spelling of 9442777947 in words is "nine billion, four hundred forty-two million, seven hundred seventy-seven thousand, nine hundred forty-seven".