1097847872 has 28 divisors (see below), whose sum is σ = 2376592656. Its totient is φ = 499021440.

The previous prime is 1097847871. The next prime is 1097847893. The reversal of 1097847872 is 2787487901.

It is not an unprimeable number, because it can be changed into a prime (1097847871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 779018 + ... + 780425.

Almost surely, 2^1097847872 is an apocalyptic number.

It is an amenable number.

1097847872 is an abundant number, since it is smaller than the sum of its proper divisors (1278744784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1097847872 is a wasteful number, since it uses less digits than its factorization.

1097847872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1559466 (or 1559456 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 53.

The square root of 1097847872 is about 33133.7874683834. The cubic root of 1097847872 is about 1031.6064641366.

The spelling of 1097847872 in words is "one billion, ninety-seven million, eight hundred forty-seven thousand, eight hundred seventy-two".