1090678856 has 16 divisors (see below), whose sum is σ = 2050511100. Its totient is φ = 543875904.

The previous prime is 1090678829. The next prime is 1090678867. The reversal of 1090678856 is 6588760901.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1076496100 + 14182756 = 32810^2 + 3766^2 .

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, 179771 + ... + 185738.

Almost surely, 2^1090678856 is an apocalyptic number.

It is an amenable number.

1090678856 is a deficient number, since it is larger than the sum of its proper divisors (959832244).

1090678856 is a wasteful number, since it uses less digits than its factorization.

1090678856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365888 (or 365884 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 50.

The square root of 1090678856 is about 33025.4274158564. The cubic root of 1090678856 is about 1029.3560734675.

The spelling of 1090678856 in words is "one billion, ninety million, six hundred seventy-eight thousand, eight hundred fifty-six".