78607044070687 has 16 divisors (see below), whose sum is σ = 85868192364192. Its totient is φ = 71365080222720.

The previous prime is 78607044070573. The next prime is 78607044070691.

78607044070687 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78607044070687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78607044070787) 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, 186319603 + ... + 186741019.

It is an arithmetic number, because the mean of its divisors is an integer number (5366762022762).

Almost surely, 2^{78607044070687} is an apocalyptic number.

78607044070687 is a deficient number, since it is larger than the sum of its proper divisors (7261148293505).

78607044070687 is a wasteful number, since it uses less digits than its factorization.

78607044070687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444138.

The product of its (nonzero) digits is 88510464, while the sum is 64.

The spelling of 78607044070687 in words is "seventy-eight trillion, six hundred seven billion, forty-four million, seventy thousand, six hundred eighty-seven".