9428432887 has 2 divisors, whose sum is σ = 9428432888. Its totient is φ = 9428432886.

The previous prime is 9428432879. The next prime is 9428432911. The reversal of 9428432887 is 7882348249.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9428432887 - 2³ = 9428432879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9428432807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4714216443 + 4714216444.

It is an arithmetic number, because the mean of its divisors is an integer number (4714216444).

Almost surely, 2^9428432887 is an apocalyptic number.

9428432887 is a deficient number, since it is larger than the sum of its proper divisors (1).

9428432887 is an equidigital number, since it uses as much as digits as its factorization.

9428432887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6193152, while the sum is 55.

The square root of 9428432887 is about 97100.1178526576. The cubic root of 9428432887 is about 2112.5800359112.

The spelling of 9428432887 in words is "nine billion, four hundred twenty-eight million, four hundred thirty-two thousand, eight hundred eighty-seven".