2087917329 has 8 divisors (see below), whose sum is σ = 2784740832. Its totient is φ = 1391519360.

The previous prime is 2087917291. The next prime is 2087917343. The reversal of 2087917329 is 9237197802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2087917329 - 2²³ = 2079528721 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2087917369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94752 + ... + 114689.

It is an arithmetic number, because the mean of its divisors is an integer number (348092604).

Almost surely, 2^2087917329 is an apocalyptic number.

It is an amenable number.

2087917329 is a deficient number, since it is larger than the sum of its proper divisors (696823503).

2087917329 is a wasteful number, since it uses less digits than its factorization.

2087917329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212767.

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 2087917329 is about 45693.7340233866. The cubic root of 2087917329 is about 1278.1184368870.

The spelling of 2087917329 in words is "two billion, eighty-seven million, nine hundred seventeen thousand, three hundred twenty-nine".