1097577320 has 96 divisors (see below), whose sum is σ = 2917036800. Its totient is φ = 364083840.

The previous prime is 1097577293. The next prime is 1097577329. The reversal of 1097577320 is 237757901.

It is not an unprimeable number, because it can be changed into a prime (1097577329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 267041 + ... + 271119.

It is an arithmetic number, because the mean of its divisors is an integer number (30385800).

Almost surely, 2^1097577320 is an apocalyptic number.

1097577320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1097577320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1458518400).

1097577320 is an abundant number, since it is smaller than the sum of its proper divisors (1819459480).

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

1097577320 is a wasteful number, since it uses less digits than its factorization.

1097577320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4159 (or 4124 counting only the distinct ones).

The product of its (nonzero) digits is 92610, while the sum is 41.

The square root of 1097577320 is about 33129.7044961165. The cubic root of 1097577320 is about 1031.5217146525.

The spelling of 1097577320 in words is "one billion, ninety-seven million, five hundred seventy-seven thousand, three hundred twenty".