78340505341 has 16 divisors (see below), whose sum is σ = 89853753600. Its totient is φ = 66907860480.

The previous prime is 78340505339. The next prime is 78340505351. The reversal of 78340505341 is 14350504387.

It is a cyclic number.

It is not a de Polignac number, because 78340505341 - 2¹ = 78340505339 is a prime.

It is a super-2 number, since 2×78340505341² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78340505294 and 78340505303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78340505351) 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, 7869235 + ... + 7879183.

It is an arithmetic number, because the mean of its divisors is an integer number (5615859600).

Almost surely, 2^78340505341 is an apocalyptic number.

It is an amenable number.

78340505341 is a deficient number, since it is larger than the sum of its proper divisors (11513248259).

78340505341 is a wasteful number, since it uses less digits than its factorization.

78340505341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13884.

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 78340505341 in words is "seventy-eight billion, three hundred forty million, five hundred five thousand, three hundred forty-one".