78560611 has 4 divisors (see below), whose sum is σ = 82695400. Its totient is φ = 74425824.

The previous prime is 78560597. The next prime is 78560627. The reversal of 78560611 is 11606587.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 78560611 - 2⁹ = 78560099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78560411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2067366 + ... + 2067403.

It is an arithmetic number, because the mean of its divisors is an integer number (20673850).

Almost surely, 2^78560611 is an apocalyptic number.

78560611 is a deficient number, since it is larger than the sum of its proper divisors (4134789).

78560611 is a wasteful number, since it uses less digits than its factorization.

78560611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4134788.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 78560611 is about 8863.4423899521. The cubic root of 78560611 is about 428.2870577706.

The spelling of 78560611 in words is "seventy-eight million, five hundred sixty thousand, six hundred eleven".