78106060187 has 4 divisors (see below), whose sum is σ = 82216905480. Its totient is φ = 73995214896.

The previous prime is 78106060183. The next prime is 78106060213.

78106060187 is nontrivially palindromic in base 10.

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 78106060187 - 2² = 78106060183 is a prime.

It is a super-2 number, since 2×78106060187² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78106060183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2055422618 + ... + 2055422655.

It is an arithmetic number, because the mean of its divisors is an integer number (20554226370).

Almost surely, 2^78106060187 is an apocalyptic number.

78106060187 is a deficient number, since it is larger than the sum of its proper divisors (4110845293).

78106060187 is a wasteful number, since it uses less digits than its factorization.

78106060187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4110845292.

The product of its (nonzero) digits is 112896, while the sum is 44.

The spelling of 78106060187 in words is "seventy-eight billion, one hundred six million, sixty thousand, one hundred eighty-seven".