78108003607 has 4 divisors (see below), whose sum is σ = 78359155056. Its totient is φ = 77856852160.

The previous prime is 78108003529. The next prime is 78108003629. The reversal of 78108003607 is 70630080187.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70630080187 = 61 ⋅1157870167.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78108003607 is a prime.

It is a super-2 number, since 2×78108003607² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 78108003607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78108003637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125575258 + ... + 125575879.

It is an arithmetic number, because the mean of its divisors is an integer number (19589788764).

Almost surely, 2^78108003607 is an apocalyptic number.

78108003607 is a deficient number, since it is larger than the sum of its proper divisors (251151449).

78108003607 is a wasteful number, since it uses less digits than its factorization.

78108003607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251151448.

The product of its (nonzero) digits is 56448, while the sum is 40.

The spelling of 78108003607 in words is "seventy-eight billion, one hundred eight million, three thousand, six hundred seven".