87490050009 has 8 divisors (see below), whose sum is σ = 116743069632. Its totient is φ = 58281865200.

The previous prime is 87490050007. The next prime is 87490050017. The reversal of 87490050009 is 90005009478.

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

It is not a de Polignac number, because 87490050009 - 2¹ = 87490050007 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (87490050001) 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, 11204149 + ... + 11211954.

It is an arithmetic number, because the mean of its divisors is an integer number (14592883704).

Almost surely, 2^87490050009 is an apocalyptic number.

It is an amenable number.

87490050009 is a deficient number, since it is larger than the sum of its proper divisors (29253019623).

87490050009 is a wasteful number, since it uses less digits than its factorization.

87490050009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22417407.

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 87490050009 in words is "eighty-seven billion, four hundred ninety million, fifty thousand, nine".