7678765432343 has 4 divisors (see below), whose sum is σ = 7698107411160. Its totient is φ = 7659423453528.

The previous prime is 7678765432337. The next prime is 7678765432379. The reversal of 7678765432343 is 3432345678767.

7678765432343 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

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

It is a cyclic number.

It is not a de Polignac number, because 7678765432343 - 2²² = 7678761238039 is a prime.

It is an alternating number because its digits alternate between odd and even.

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 7678765432343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7678765432313) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9670988813 + ... + 9670989606.

It is an arithmetic number, because the mean of its divisors is an integer number (1924526852790).

Almost surely, 2^{7678765432343} is an apocalyptic number.

7678765432343 is a deficient number, since it is larger than the sum of its proper divisors (19341978817).

7678765432343 is a wasteful number, since it uses less digits than its factorization.

7678765432343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19341978816.

The product of its digits is 426746880, while the sum is 65.

The spelling of 7678765432343 in words is "seven trillion, six hundred seventy-eight billion, seven hundred sixty-five million, four hundred thirty-two thousand, three hundred forty-three".