768218893 has 8 divisors (see below), whose sum is σ = 829816736. Its totient is φ = 706978800.

The previous prime is 768218879. The next prime is 768218909. The reversal of 768218893 is 398812867.

768218893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 768218893 - 2¹³ = 768210701 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 768218893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768218863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84963 + ... + 93568.

It is an arithmetic number, because the mean of its divisors is an integer number (103727092).

Almost surely, 2^768218893 is an apocalyptic number.

It is an amenable number.

768218893 is a deficient number, since it is larger than the sum of its proper divisors (61597843).

768218893 is a wasteful number, since it uses less digits than its factorization.

768218893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178875.

The product of its digits is 1161216, while the sum is 52.

The square root of 768218893 is about 27716.7619501269. The cubic root of 768218893 is about 915.8583892277.

The spelling of 768218893 in words is "seven hundred sixty-eight million, two hundred eighteen thousand, eight hundred ninety-three".