2005707999 has 16 divisors (see below), whose sum is σ = 2732396544. Its totient is φ = 1308309600.

The previous prime is 2005707997. The next prime is 2005708007. The reversal of 2005707999 is 9997075002.

It is not a de Polignac number, because 2005707999 - 2¹ = 2005707997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005707997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6262 + ... + 63644.

It is an arithmetic number, because the mean of its divisors is an integer number (170774784).

Almost surely, 2^2005707999 is an apocalyptic number.

2005707999 is a deficient number, since it is larger than the sum of its proper divisors (726688545).

2005707999 is a wasteful number, since it uses less digits than its factorization.

2005707999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57638.

The product of its (nonzero) digits is 357210, while the sum is 48.

The square root of 2005707999 is about 44785.1314500695. The cubic root of 2005707999 is about 1261.1185161092.

The spelling of 2005707999 in words is "two billion, five million, seven hundred seven thousand, nine hundred ninety-nine".