587721880117 has 8 divisors (see below), whose sum is σ = 622367110872. Its totient is φ = 553084800000.

The previous prime is 587721880111. The next prime is 587721880169. The reversal of 587721880117 is 711088127785.

It can be written as a sum of positive squares in 4 ways, for example, as 1393230276 + 586328649841 = 37326^2 + 765721^2 .

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

It is not a de Polignac number, because 587721880117 - 2⁷ = 587721879989 is a prime.

It is a super-2 number, since 2×587721880117² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (587721880111) 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, 1888884 + ... + 2177917.

It is an arithmetic number, because the mean of its divisors is an integer number (77795888859).

Almost surely, 2^587721880117 is an apocalyptic number.

It is an amenable number.

587721880117 is a deficient number, since it is larger than the sum of its proper divisors (34645230755).

587721880117 is a wasteful number, since it uses less digits than its factorization.

587721880117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4075319.

The product of its (nonzero) digits is 1756160, while the sum is 55.

The spelling of 587721880117 in words is "five hundred eighty-seven billion, seven hundred twenty-one million, eight hundred eighty thousand, one hundred seventeen".