995555599 has 2 divisors, whose sum is σ = 995555600. Its totient is φ = 995555598.

The previous prime is 995555579. The next prime is 995555611.

995555599 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 995555599 - 2⁹ = 995555087 is a prime.

It is a super-2 number, since 2×995555599² = 1982261901400497602, which contains 22 as substring.

It is a zygodrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (995555579) 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 as a sum of consecutive naturals, namely, 497777799 + 497777800.

It is an arithmetic number, because the mean of its divisors is an integer number (497777800).

Almost surely, 2^995555599 is an apocalyptic number.

995555599 is a deficient number, since it is larger than the sum of its proper divisors (1).

995555599 is an equidigital number, since it uses as much as digits as its factorization.

995555599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20503125, while the sum is 61.

The square root of 995555599 is about 31552.4261983132. The cubic root of 995555599 is about 998.5163328203.

The spelling of 995555599 in words is "nine hundred ninety-five million, five hundred fifty-five thousand, five hundred ninety-nine".