7678106544 has 40 divisors (see below), whose sum is σ = 19848073392. Its totient is φ = 2557696000.

The previous prime is 7678106519. The next prime is 7678106561. The reversal of 7678106544 is 4456018767.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 7678106493 and 7678106502.

It is an unprimeable number.

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, 23044 + ... + 126044.

Almost surely, 2^7678106544 is an apocalyptic number.

It is an amenable number.

7678106544 is an abundant number, since it is smaller than the sum of its proper divisors (12169966848).

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

7678106544 is a wasteful number, since it uses less digits than its factorization.

7678106544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104565 (or 104559 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The square root of 7678106544 is about 87624.8055290281. The cubic root of 7678106544 is about 1972.8075050248.

The spelling of 7678106544 in words is "seven billion, six hundred seventy-eight million, one hundred six thousand, five hundred forty-four".