9873170842 has 16 divisors (see below), whose sum is σ = 15348420864. Its totient is φ = 4758300000.

The previous prime is 9873170837. The next prime is 9873170851. The reversal of 9873170842 is 2480713789.

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, 301659 + ... + 332782.

It is an arithmetic number, because the mean of its divisors is an integer number (959276304).

Almost surely, 2^9873170842 is an apocalyptic number.

9873170842 is a deficient number, since it is larger than the sum of its proper divisors (5475250022).

9873170842 is a wasteful number, since it uses less digits than its factorization.

9873170842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634725.

The product of its (nonzero) digits is 677376, while the sum is 49.

The square root of 9873170842 is about 99363.8306528085. The cubic root of 9873170842 is about 2145.2877390870.

The spelling of 9873170842 in words is "nine billion, eight hundred seventy-three million, one hundred seventy thousand, eight hundred forty-two".