2087694539 has 32 divisors (see below), whose sum is σ = 2541974400. Its totient is φ = 1712256000.

The previous prime is 2087694533. The next prime is 2087694563. The reversal of 2087694539 is 9354967802.

It is a happy number.

It is not a de Polignac number, because 2087694539 - 2⁴ = 2087694523 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is not an unprimeable number, because it can be changed into a prime (2087694533) 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 31 ways as a sum of consecutive naturals, for example, 743939 + ... + 746739.

It is an arithmetic number, because the mean of its divisors is an integer number (79436700).

Almost surely, 2^2087694539 is an apocalyptic number.

2087694539 is a deficient number, since it is larger than the sum of its proper divisors (454279861).

2087694539 is an equidigital number, since it uses as much as digits as its factorization.

2087694539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2916 (or 2902 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 53.

The square root of 2087694539 is about 45691.2960967404. The cubic root of 2087694539 is about 1278.0729749760.

The spelling of 2087694539 in words is "two billion, eighty-seven million, six hundred ninety-four thousand, five hundred thirty-nine".