1068897635 has 16 divisors (see below), whose sum is σ = 1384133184. Its totient is φ = 787746432.

The previous prime is 1068897619. The next prime is 1068897647. The reversal of 1068897635 is 5367988601.

It is a happy number.

It is a Cunningham number, because it is equal to 32694²-1.

It is a cyclic number.

It is not a de Polignac number, because 1068897635 - 2⁴ = 1068897619 is a prime.

It is a super-2 number, since 2×1068897635² = 2285084308217186450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16349 + ... + 49041.

It is an arithmetic number, because the mean of its divisors is an integer number (86508324).

Almost surely, 2^1068897635 is an apocalyptic number.

1068897635 is a deficient number, since it is larger than the sum of its proper divisors (315235549).

1068897635 is a wasteful number, since it uses less digits than its factorization.

1068897635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33214.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The square root of 1068897635 is about 32693.9999847067. Note that the first 4 decimals coincide. The cubic root of 1068897635 is about 1022.4577521735.

The spelling of 1068897635 in words is "one billion, sixty-eight million, eight hundred ninety-seven thousand, six hundred thirty-five".