9409587985 has 8 divisors (see below), whose sum is σ = 12904577856. Its totient is φ = 6452288880.

The previous prime is 9409587973. The next prime is 9409587991. The reversal of 9409587985 is 5897859049.

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

It is not a de Polignac number, because 9409587985 - 2¹³ = 9409579793 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134422651 + ... + 134422720.

It is an arithmetic number, because the mean of its divisors is an integer number (1613072232).

Almost surely, 2^9409587985 is an apocalyptic number.

It is an amenable number.

9409587985 is a deficient number, since it is larger than the sum of its proper divisors (3494989871).

9409587985 is a wasteful number, since it uses less digits than its factorization.

9409587985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268845383.

The product of its (nonzero) digits is 32659200, while the sum is 64.

The square root of 9409587985 is about 97003.0308031661. The cubic root of 9409587985 is about 2111.1716039981.

The spelling of 9409587985 in words is "nine billion, four hundred nine million, five hundred eighty-seven thousand, nine hundred eighty-five".