78180782036358 has 32 divisors (see below), whose sum is σ = 156457114692192. Its totient is φ = 26044339507200.

The previous prime is 78180782036353. The next prime is 78180782036389. The reversal of 78180782036358 is 85363028708187.

It is a super-2 number, since 2×78180782036358² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78180782036351) 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, 79717698 + ... + 80692458.

It is an arithmetic number, because the mean of its divisors is an integer number (4889284834131).

Almost surely, 2^{78180782036358} is an apocalyptic number.

78180782036358 is an abundant number, since it is smaller than the sum of its proper divisors (78276332655834).

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

78180782036358 is a wasteful number, since it uses less digits than its factorization.

78180782036358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982920.

The product of its (nonzero) digits is 108380160, while the sum is 66.

The spelling of 78180782036358 in words is "seventy-eight trillion, one hundred eighty billion, seven hundred eighty-two million, thirty-six thousand, three hundred fifty-eight".