78341617358 has 8 divisors (see below), whose sum is σ = 118290654480. Its totient is φ = 38911399200.

The previous prime is 78341617267. The next prime is 78341617363. The reversal of 78341617358 is 85371614387.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×78341617358² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129704363 + ... + 129704966.

It is an arithmetic number, because the mean of its divisors is an integer number (14786331810).

Almost surely, 2^78341617358 is an apocalyptic number.

78341617358 is a deficient number, since it is larger than the sum of its proper divisors (39949037122).

78341617358 is a wasteful number, since it uses less digits than its factorization.

78341617358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259409482.

The product of its digits is 3386880, while the sum is 53.

The spelling of 78341617358 in words is "seventy-eight billion, three hundred forty-one million, six hundred seventeen thousand, three hundred fifty-eight".