1088822857 has 4 divisors (see below), whose sum is σ = 1090582480. Its totient is φ = 1087063236.

The previous prime is 1088822849. The next prime is 1088822863. The reversal of 1088822857 is 7582288801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1088822857 - 2³ = 1088822849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1088822857.

It is not an unprimeable number, because it can be changed into a prime (1088822957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 878883 + ... + 880120.

It is an arithmetic number, because the mean of its divisors is an integer number (272645620).

Almost surely, 2^1088822857 is an apocalyptic number.

It is an amenable number.

1088822857 is a deficient number, since it is larger than the sum of its proper divisors (1759623).

1088822857 is an equidigital number, since it uses as much as digits as its factorization.

1088822857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759622.

The product of its (nonzero) digits is 573440, while the sum is 49.

The square root of 1088822857 is about 32997.3159059945. The cubic root of 1088822857 is about 1028.7718597787.

The spelling of 1088822857 in words is "one billion, eighty-eight million, eight hundred twenty-two thousand, eight hundred fifty-seven".