9255545987 has 2 divisors, whose sum is σ = 9255545988. Its totient is φ = 9255545986.

The previous prime is 9255545983. The next prime is 9255545993. The reversal of 9255545987 is 7895455529.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9255545987 - 2² = 9255545983 is a prime.

It is not a weakly prime, because it can be changed into another prime (9255545983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4627772993 + 4627772994.

It is an arithmetic number, because the mean of its divisors is an integer number (4627772994).

Almost surely, 2^9255545987 is an apocalyptic number.

9255545987 is a deficient number, since it is larger than the sum of its proper divisors (1).

9255545987 is an equidigital number, since it uses as much as digits as its factorization.

9255545987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680000, while the sum is 59.

The square root of 9255545987 is about 96205.7482014458. The cubic root of 9255545987 is about 2099.5876731660.

The spelling of 9255545987 in words is "nine billion, two hundred fifty-five million, five hundred forty-five thousand, nine hundred eighty-seven".