78636041740 has 12 divisors (see below), whose sum is σ = 165135687696. Its totient is φ = 31454416688.

The previous prime is 78636041699. The next prime is 78636041749. The reversal of 78636041740 is 4714063687.

It is not an unprimeable number, because it can be changed into a prime (78636041749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1965901024 + ... + 1965901063.

It is an arithmetic number, because the mean of its divisors is an integer number (13761307308).

Almost surely, 2^78636041740 is an apocalyptic number.

It is an amenable number.

78636041740 is an abundant number, since it is smaller than the sum of its proper divisors (86499645956).

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

78636041740 is a wasteful number, since it uses less digits than its factorization.

78636041740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3931802096 (or 3931802094 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 46.

It can be divided in two parts, 786360 and 41740, that added together give a square (828100 = 910²).

The spelling of 78636041740 in words is "seventy-eight billion, six hundred thirty-six million, forty-one thousand, seven hundred forty".