2087307729 has 24 divisors (see below), whose sum is σ = 3255837312. Its totient is φ = 1280970720.

The previous prime is 2087307721. The next prime is 2087307737. The reversal of 2087307729 is 9277037802.

It is an interprime number because it is at equal distance from previous prime (2087307721) and next prime (2087307737).

It is not a de Polignac number, because 2087307729 - 2³ = 2087307721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2087307721) 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 23 ways as a sum of consecutive naturals, for example, 18634 + ... + 67244.

It is an arithmetic number, because the mean of its divisors is an integer number (135659888).

Almost surely, 2^2087307729 is an apocalyptic number.

It is an amenable number.

2087307729 is a deficient number, since it is larger than the sum of its proper divisors (1168529583).

2087307729 is a wasteful number, since it uses less digits than its factorization.

2087307729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48997 (or 48994 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The square root of 2087307729 is about 45687.0630375821. The cubic root of 2087307729 is about 1277.9940359145.

The spelling of 2087307729 in words is "two billion, eighty-seven million, three hundred seven thousand, seven hundred twenty-nine".