78344069374 has 8 divisors (see below), whose sum is σ = 117741664368. Its totient is φ = 39096847920.

The previous prime is 78344069359. The next prime is 78344069411. The reversal of 78344069374 is 47396044387.

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

It is a super-2 number, since 2×78344069374² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37592082 + ... + 37594165.

It is an arithmetic number, because the mean of its divisors is an integer number (14717708046).

Almost surely, 2^78344069374 is an apocalyptic number.

78344069374 is a deficient number, since it is larger than the sum of its proper divisors (39397594994).

78344069374 is a wasteful number, since it uses less digits than its factorization.

78344069374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75186770.

The product of its (nonzero) digits is 12192768, while the sum is 55.

The spelling of 78344069374 in words is "seventy-eight billion, three hundred forty-four million, sixty-nine thousand, three hundred seventy-four".