78540117300340 has 24 divisors (see below), whose sum is σ = 174636260821512. Its totient is φ = 29568044160000.

The previous prime is 78540117300331. The next prime is 78540117300367. The reversal of 78540117300340 is 4300371104587.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 33753264779536 + 44786852520804 = 5809756^2 + 6692298^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115500172161 + ... + 115500172840.

It is an arithmetic number, because the mean of its divisors is an integer number (7276510867563).

Almost surely, 2^{78540117300340} is an apocalyptic number.

It is an amenable number.

78540117300340 is an abundant number, since it is smaller than the sum of its proper divisors (96096143521172).

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

78540117300340 is a wasteful number, since it uses less digits than its factorization.

78540117300340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231000345027 (or 231000345025 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 78540117300340 in words is "seventy-eight trillion, five hundred forty billion, one hundred seventeen million, three hundred thousand, three hundred forty".