768890906 has 8 divisors (see below), whose sum is σ = 1318098720. Its totient is φ = 329524668.

The previous prime is 768890839. The next prime is 768890911. The reversal of 768890906 is 609098867.

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

It is a Curzon 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, 27460376 + ... + 27460403.

It is an arithmetic number, because the mean of its divisors is an integer number (164762340).

Almost surely, 2^768890906 is an apocalyptic number.

768890906 is a deficient number, since it is larger than the sum of its proper divisors (549207814).

768890906 is a wasteful number, since it uses less digits than its factorization.

768890906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54920788.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The square root of 768890906 is about 27728.8821628280. The cubic root of 768890906 is about 916.1253658114.

The spelling of 768890906 in words is "seven hundred sixty-eight million, eight hundred ninety thousand, nine hundred six".