78105606108 has 48 divisors (see below), whose sum is σ = 182920308480. Its totient is φ = 25939014400.

The previous prime is 78105606107. The next prime is 78105606119. The reversal of 78105606108 is 80160650187.

It is a super-2 number, since 2×78105606108² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78105606108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78105606107) 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 15 ways as a sum of consecutive naturals, for example, 10964788 + ... + 10971908.

It is an arithmetic number, because the mean of its divisors is an integer number (3810839760).

Almost surely, 2^78105606108 is an apocalyptic number.

It is an amenable number.

78105606108 is an abundant number, since it is smaller than the sum of its proper divisors (104814702372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78105606108 is a wasteful number, since it uses less digits than its factorization.

78105606108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10378 (or 10376 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The spelling of 78105606108 in words is "seventy-eight billion, one hundred five million, six hundred six thousand, one hundred eight".