1089295768 has 32 divisors (see below), whose sum is σ = 2244393360. Its totient is φ = 491514880.

The previous prime is 1089295721. The next prime is 1089295777. The reversal of 1089295768 is 8675929801.

It is a super-4 number, since 4×1089295768⁴ (a number of 37 digits) contains 4444 as substring.

It is a congruent number.

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, 33121 + ... + 57232.

Almost surely, 2^1089295768 is an apocalyptic number.

It is an amenable number.

1089295768 is an abundant number, since it is smaller than the sum of its proper divisors (1155097592).

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

1089295768 is a wasteful number, since it uses less digits than its factorization.

1089295768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90507 (or 90503 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 55.

The square root of 1089295768 is about 33004.4810290966. The cubic root of 1089295768 is about 1028.9207811899.

The spelling of 1089295768 in words is "one billion, eighty-nine million, two hundred ninety-five thousand, seven hundred sixty-eight".