1097766900 has 108 divisors (see below), whose sum is σ = 3467528064. Its totient is φ = 290472000.

The previous prime is 1097766883. The next prime is 1097766907. The reversal of 1097766900 is 96677901.

It is a super-2 number, since 2×1097766900² = 2410184333471220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097766907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 113245 + ... + 122555.

Almost surely, 2^1097766900 is an apocalyptic number.

1097766900 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 1097766900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1733764032).

1097766900 is an abundant number, since it is smaller than the sum of its proper divisors (2369761164).

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

1097766900 is a wasteful number, since it uses less digits than its factorization.

1097766900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9462 (or 9452 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 1097766900 is about 33132.5655511311. The cubic root of 1097766900 is about 1031.5811013961.

It can be divided in two parts, 10977 and 66900, that added together give a palindrome (77877).

The spelling of 1097766900 in words is "one billion, ninety-seven million, seven hundred sixty-six thousand, nine hundred".