1097904768 has 64 divisors (see below), whose sum is σ = 2935045920. Its totient is φ = 363617280.

The previous prime is 1097904751. The next prime is 1097904781. The reversal of 1097904768 is 8674097901.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 1097904768.

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, 51183 + ... + 69393.

Almost surely, 2^1097904768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1097904768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1467522960).

1097904768 is an abundant number, since it is smaller than the sum of its proper divisors (1837141152).

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

1097904768 is a wasteful number, since it uses less digits than its factorization.

1097904768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18385 (or 18373 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 51.

The square root of 1097904768 is about 33134.6460370410. The cubic root of 1097904768 is about 1031.6242848411.

The spelling of 1097904768 in words is "one billion, ninety-seven million, nine hundred four thousand, seven hundred sixty-eight".