7678423429 has 8 divisors (see below), whose sum is σ = 7746142208. Its totient is φ = 7610818320.

The previous prime is 7678423411. The next prime is 7678423447. The reversal of 7678423429 is 9243248767.

It is an interprime number because it is at equal distance from previous prime (7678423411) and next prime (7678423447).

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 7678423429 - 2⁵ = 7678423397 is a prime.

It is a super-2 number, since 2×7678423429² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7678423499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110239 + ... + 165859.

It is an arithmetic number, because the mean of its divisors is an integer number (968267776).

Almost surely, 2^7678423429 is an apocalyptic number.

It is an amenable number.

7678423429 is a deficient number, since it is larger than the sum of its proper divisors (67718779).

7678423429 is a wasteful number, since it uses less digits than its factorization.

7678423429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56835.

The product of its digits is 4064256, while the sum is 52.

The square root of 7678423429 is about 87626.6137026874. The cubic root of 7678423429 is about 1972.8346447240.

The spelling of 7678423429 in words is "seven billion, six hundred seventy-eight million, four hundred twenty-three thousand, four hundred twenty-nine".