9223439977 has 2 divisors, whose sum is σ = 9223439978. Its totient is φ = 9223439976.

The previous prime is 9223439903. The next prime is 9223439999. The reversal of 9223439977 is 7799343229.

It is a happy number.

9223439977 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8591621481 + 631818496 = 92691^2 + 25136^2 .

It is a cyclic number.

It is not a de Polignac number, because 9223439977 - 2¹¹ = 9223437929 is a prime.

It is not a weakly prime, because it can be changed into another prime (9223439077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4611719988 + 4611719989.

It is an arithmetic number, because the mean of its divisors is an integer number (4611719989).

Almost surely, 2^9223439977 is an apocalyptic number.

It is an amenable number.

9223439977 is a deficient number, since it is larger than the sum of its proper divisors (1).

9223439977 is an equidigital number, since it uses as much as digits as its factorization.

9223439977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5143824, while the sum is 55.

The square root of 9223439977 is about 96038.7420627738. The cubic root of 9223439977 is about 2097.1571492542.

The spelling of 9223439977 in words is "nine billion, two hundred twenty-three million, four hundred thirty-nine thousand, nine hundred seventy-seven".