1089860802 has 8 divisors (see below), whose sum is σ = 2179721616. Its totient is φ = 363286932.

The previous prime is 1089860791. The next prime is 1089860813. The reversal of 1089860802 is 2080689801.

It is an interprime number because it is at equal distance from previous prime (1089860791) and next prime (1089860813).

It is a sphenic number, since it is the product of 3 distinct primes.

1089860802 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90821728 + ... + 90821739.

It is an arithmetic number, because the mean of its divisors is an integer number (272465202).

Almost surely, 2^1089860802 is an apocalyptic number.

1089860802 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1089860802 is a wasteful number, since it uses less digits than its factorization.

1089860802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181643472.

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 1089860802 is about 33013.0398782057. The cubic root of 1089860802 is about 1029.0986559686.

The spelling of 1089860802 in words is "one billion, eighty-nine million, eight hundred sixty thousand, eight hundred two".