87043573913 has 8 divisors (see below), whose sum is σ = 89878177536. Its totient is φ = 84210642000.

The previous prime is 87043573909. The next prime is 87043573937. The reversal of 87043573913 is 31937534078.

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 87043573913 - 2² = 87043573909 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87043573943) 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, 311663 + ... + 520788.

It is an arithmetic number, because the mean of its divisors is an integer number (11234772192).

Almost surely, 2^87043573913 is an apocalyptic number.

It is an amenable number.

87043573913 is a deficient number, since it is larger than the sum of its proper divisors (2834603623).

87043573913 is a wasteful number, since it uses less digits than its factorization.

87043573913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835855.

The product of its (nonzero) digits is 1905120, while the sum is 50.

The spelling of 87043573913 in words is "eighty-seven billion, forty-three million, five hundred seventy-three thousand, nine hundred thirteen".