1089377108 has 6 divisors (see below), whose sum is σ = 1906409946. Its totient is φ = 544688552.

The previous prime is 1089377071. The next prime is 1089377123. The reversal of 1089377108 is 8017739801.

It can be written as a sum of positive squares in only one way, i.e., 673298704 + 416078404 = 25948^2 + 20398^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136172135 + ... + 136172142.

It is an arithmetic number, because the mean of its divisors is an integer number (317734991).

Almost surely, 2^1089377108 is an apocalyptic number.

It is an amenable number.

1089377108 is a deficient number, since it is larger than the sum of its proper divisors (817032838).

1089377108 is a wasteful number, since it uses less digits than its factorization.

1089377108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272344281 (or 272344279 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 44.

The square root of 1089377108 is about 33005.7132630095. The cubic root of 1089377108 is about 1028.9463911101.

The spelling of 1089377108 in words is "one billion, eighty-nine million, three hundred seventy-seven thousand, one hundred eight".