87975934009 has 4 divisors (see below), whose sum is σ = 87980562304. Its totient is φ = 87971305716.

The previous prime is 87975934003. The next prime is 87975934019. The reversal of 87975934009 is 90043957978.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 87975934009 - 2¹⁹ = 87975409721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87975934003) 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 3 ways as a sum of consecutive naturals, for example, 2285517 + ... + 2323690.

It is an arithmetic number, because the mean of its divisors is an integer number (21995140576).

Almost surely, 2^87975934009 is an apocalyptic number.

It is an amenable number.

87975934009 is a deficient number, since it is larger than the sum of its proper divisors (4628295).

87975934009 is a wasteful number, since it uses less digits than its factorization.

87975934009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4628294.

The product of its (nonzero) digits is 17146080, while the sum is 61.

The spelling of 87975934009 in words is "eighty-seven billion, nine hundred seventy-five million, nine hundred thirty-four thousand, nine".