9198747874 has 8 divisors (see below), whose sum is σ = 13798679040. Its totient is φ = 4599188196.

The previous prime is 9198747871. The next prime is 9198747917. The reversal of 9198747874 is 4787478919.

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

It is not an unprimeable number, because it can be changed into a prime (9198747871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19314 + ... + 137005.

It is an arithmetic number, because the mean of its divisors is an integer number (1724834880).

Almost surely, 2^9198747874 is an apocalyptic number.

9198747874 is a deficient number, since it is larger than the sum of its proper divisors (4599931166).

9198747874 is a wasteful number, since it uses less digits than its factorization.

9198747874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185744.

The product of its digits is 28449792, while the sum is 64.

The square root of 9198747874 is about 95910.1030861713. The cubic root of 9198747874 is about 2095.2840412094.

The spelling of 9198747874 in words is "nine billion, one hundred ninety-eight million, seven hundred forty-seven thousand, eight hundred seventy-four".