7616985678 has 12 divisors (see below), whose sum is σ = 16503469008. Its totient is φ = 2538995220.

The previous prime is 7616985667. The next prime is 7616985697. The reversal of 7616985678 is 8765896167.

7616985678 is a `hidden beast` number, since 7 + 6 + 1 + 69 + 8 + 567 + 8 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 211582918 + ... + 211582953.

It is an arithmetic number, because the mean of its divisors is an integer number (1375289084).

Almost surely, 2^7616985678 is an apocalyptic number.

7616985678 is an abundant number, since it is smaller than the sum of its proper divisors (8886483330).

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

7616985678 is a wasteful number, since it uses less digits than its factorization.

7616985678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423165879 (or 423165876 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 63.

The square root of 7616985678 is about 87275.3440440082. The cubic root of 7616985678 is about 1967.5587682616.

It can be divided in two parts, 761698 and 5678, that added together give a square (767376 = 876²).

The spelling of 7616985678 in words is "seven billion, six hundred sixteen million, nine hundred eighty-five thousand, six hundred seventy-eight".