7678106505 has 48 divisors (see below), whose sum is σ = 14104730880. Its totient is φ = 3962826720.

The previous prime is 7678106503. The next prime is 7678106519. The reversal of 7678106505 is 5056018767.

7678106505 is a `hidden beast` number, since 7 + 67 + 81 + 0 + 6 + 505 = 666.

It is not a de Polignac number, because 7678106505 - 2¹ = 7678106503 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (7678106503) 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 47 ways as a sum of consecutive naturals, for example, 100144 + ... + 159326.

It is an arithmetic number, because the mean of its divisors is an integer number (293848560).

Almost surely, 2^7678106505 is an apocalyptic number.

It is an amenable number.

7678106505 is a deficient number, since it is larger than the sum of its proper divisors (6426624375).

7678106505 is a wasteful number, since it uses less digits than its factorization.

7678106505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59259 (or 59222 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The square root of 7678106505 is about 87624.8053064884. The cubic root of 7678106505 is about 1972.8075016846.

The spelling of 7678106505 in words is "seven billion, six hundred seventy-eight million, one hundred six thousand, five hundred five".