2087500691 has 8 divisors (see below), whose sum is σ = 2159181024. Its totient is φ = 2016809280.

The previous prime is 2087500621. The next prime is 2087500711. The reversal of 2087500691 is 1960057802.

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 2087500691 - 2¹⁴ = 2087484307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2087500621) 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 in 7 ways as a sum of consecutive naturals, for example, 242936 + ... + 251381.

It is an arithmetic number, because the mean of its divisors is an integer number (269897628).

Almost surely, 2^2087500691 is an apocalyptic number.

2087500691 is a deficient number, since it is larger than the sum of its proper divisors (71680333).

2087500691 is a wasteful number, since it uses less digits than its factorization.

2087500691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494461.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 2087500691 is about 45689.1747682096. The cubic root of 2087500691 is about 1278.0334162580.

The spelling of 2087500691 in words is "two billion, eighty-seven million, five hundred thousand, six hundred ninety-one".