78183757106 has 32 divisors (see below), whose sum is σ = 144361620480. Its totient is φ = 30925043136.

The previous prime is 78183757103. The next prime is 78183757117. The reversal of 78183757106 is 60175738187.

It is a super-2 number, since 2×78183757106² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78183757103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1287455 + ... + 1346813.

It is an arithmetic number, because the mean of its divisors is an integer number (4511300640).

Almost surely, 2^78183757106 is an apocalyptic number.

78183757106 is a deficient number, since it is larger than the sum of its proper divisors (66177863374).

78183757106 is a wasteful number, since it uses less digits than its factorization.

78183757106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66618.

The product of its (nonzero) digits is 1975680, while the sum is 53.

The spelling of 78183757106 in words is "seventy-eight billion, one hundred eighty-three million, seven hundred fifty-seven thousand, one hundred six".