599989995 has 72 divisors (see below), whose sum is σ = 1155497616. Its totient is φ = 287760000.

The previous prime is 599989991. The next prime is 599989997.

599989995 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 599989995 - 2² = 599989991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (599989991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 549400 + ... + 550490.

It is an arithmetic number, because the mean of its divisors is an integer number (16048578).

Almost surely, 2^599989995 is an apocalyptic number.

599989995 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

599989995 is a deficient number, since it is larger than the sum of its proper divisors (555507621).

599989995 is a wasteful number, since it uses less digits than its factorization.

599989995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225 (or 1211 counting only the distinct ones).

The product of its digits is 106288200, while the sum is 72.

The square root of 599989995 is about 24494.6932007731. The cubic root of 599989995 is about 843.4279771958.

The spelling of 599989995 in words is "five hundred ninety-nine million, nine hundred eighty-nine thousand, nine hundred ninety-five".