7678103442 has 32 divisors (see below), whose sum is σ = 15606670464. Its totient is φ = 2517782400.

The previous prime is 7678103401. The next prime is 7678103449. The reversal of 7678103442 is 2443018767.

It is a junction number, because it is equal to n+sod(n) for n = 7678103394 and 7678103403.

It is not an unprimeable number, because it can be changed into a prime (7678103449) 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 15 ways as a sum of consecutive naturals, for example, 176838 + ... + 215934.

It is an arithmetic number, because the mean of its divisors is an integer number (487708452).

Almost surely, 2^7678103442 is an apocalyptic number.

7678103442 is an abundant number, since it is smaller than the sum of its proper divisors (7928567022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7678103442 is a wasteful number, since it uses less digits than its factorization.

7678103442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39634.

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 7678103442 is about 87624.7878285591. The cubic root of 7678103442 is about 1972.8072393495.

The spelling of 7678103442 in words is "seven billion, six hundred seventy-eight million, one hundred three thousand, four hundred forty-two".