87281795009 has 16 divisors (see below), whose sum is σ = 88198336512. Its totient is φ = 86371188288.

The previous prime is 87281794987. The next prime is 87281795057. The reversal of 87281795009 is 90059718278.

It is a cyclic number.

It is not a de Polignac number, because 87281795009 - 2²⁰ = 87280746433 is a prime.

It is a super-2 number, since 2×87281795009² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87281795309) 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 15 ways as a sum of consecutive naturals, for example, 52483712 + ... + 52485374.

It is an arithmetic number, because the mean of its divisors is an integer number (5512396032).

Almost surely, 2^87281795009 is an apocalyptic number.

It is an amenable number.

87281795009 is a deficient number, since it is larger than the sum of its proper divisors (916541503).

87281795009 is a wasteful number, since it uses less digits than its factorization.

87281795009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3136.

The product of its (nonzero) digits is 2540160, while the sum is 56.

The spelling of 87281795009 in words is "eighty-seven billion, two hundred eighty-one million, seven hundred ninety-five thousand, nine".