768868671 has 4 divisors (see below), whose sum is σ = 1025158232. Its totient is φ = 512579112.

The previous prime is 768868663. The next prime is 768868693. The reversal of 768868671 is 176868867.

768868671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 768868671 - 2³ = 768868663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768868171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128144776 + ... + 128144781.

It is an arithmetic number, because the mean of its divisors is an integer number (256289558).

Almost surely, 2^768868671 is an apocalyptic number.

768868671 is a deficient number, since it is larger than the sum of its proper divisors (256289561).

768868671 is a wasteful number, since it uses less digits than its factorization.

768868671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256289560.

The product of its digits is 5419008, while the sum is 57.

The square root of 768868671 is about 27728.4812241854. The cubic root of 768868671 is about 916.1165348040.

The spelling of 768868671 in words is "seven hundred sixty-eight million, eight hundred sixty-eight thousand, six hundred seventy-one".