1081747888 has 20 divisors (see below), whose sum is σ = 2257109008. Its totient is φ = 499268160.

The previous prime is 1081747871. The next prime is 1081747889. The reversal of 1081747888 is 8887471801.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (1081747889) 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, 2600148 + ... + 2600563.

Almost surely, 2^1081747888 is an apocalyptic number.

It is an amenable number.

1081747888 is an abundant number, since it is smaller than the sum of its proper divisors (1175361120).

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

1081747888 is a wasteful number, since it uses less digits than its factorization.

1081747888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5200732 (or 5200726 counting only the distinct ones).

The product of its (nonzero) digits is 802816, while the sum is 52.

The square root of 1081747888 is about 32889.9359683171. The cubic root of 1081747888 is about 1026.5387597630.

The spelling of 1081747888 in words is "one billion, eighty-one million, seven hundred forty-seven thousand, eight hundred eighty-eight".