78787158182 has 16 divisors (see below), whose sum is σ = 122277489840. Its totient is φ = 38028473952.

The previous prime is 78787158157. The next prime is 78787158187. The reversal of 78787158182 is 28185178787.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78787158187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220313 + ... + 453995.

It is an arithmetic number, because the mean of its divisors is an integer number (7642343115).

Almost surely, 2^78787158182 is an apocalyptic number.

78787158182 is a deficient number, since it is larger than the sum of its proper divisors (43490331658).

78787158182 is a wasteful number, since it uses less digits than its factorization.

78787158182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239527.

The product of its digits is 14049280, while the sum is 62.

The spelling of 78787158182 in words is "seventy-eight billion, seven hundred eighty-seven million, one hundred fifty-eight thousand, one hundred eighty-two".