8078014661 has 16 divisors (see below), whose sum is σ = 8688588480. Its totient is φ = 7482689280.

The previous prime is 8078014639. The next prime is 8078014669. The reversal of 8078014661 is 1664108708.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8078014661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8078014669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1659371 + ... + 1664231.

It is an arithmetic number, because the mean of its divisors is an integer number (543036780).

Almost surely, 2^8078014661 is an apocalyptic number.

It is an amenable number.

8078014661 is a deficient number, since it is larger than the sum of its proper divisors (610573819).

8078014661 is a wasteful number, since it uses less digits than its factorization.

8078014661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6404.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 8078014661 is about 89877.7762352852. The cubic root of 8078014661 is about 2006.4802025604.

The spelling of 8078014661 in words is "eight billion, seventy-eight million, fourteen thousand, six hundred sixty-one".