4087731345 has 32 divisors (see below), whose sum is σ = 7289585280. Its totient is φ = 1943884800.

The previous prime is 4087731313. The next prime is 4087731359. The reversal of 4087731345 is 5431377804.

4087731345 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4087731345 - 2⁵ = 4087731313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4087731297 and 4087731306.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 417006 + ... + 426695.

It is an arithmetic number, because the mean of its divisors is an integer number (227799540).

Almost surely, 2^4087731345 is an apocalyptic number.

It is an amenable number.

4087731345 is a deficient number, since it is larger than the sum of its proper divisors (3201853935).

4087731345 is a wasteful number, since it uses less digits than its factorization.

4087731345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843745.

The product of its (nonzero) digits is 282240, while the sum is 42.

The square root of 4087731345 is about 63935.3684981951. The cubic root of 4087731345 is about 1598.9226269184.

The spelling of 4087731345 in words is "four billion, eighty-seven million, seven hundred thirty-one thousand, three hundred forty-five".