78368931419 has 8 divisors (see below), whose sum is σ = 83487512640. Its totient is φ = 73349740296.

The previous prime is 78368931383. The next prime is 78368931451. The reversal of 78368931419 is 91413986387.

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

It is a cyclic number.

It is not a de Polignac number, because 78368931419 - 2¹² = 78368927323 is a prime.

It is a super-2 number, since 2×78368931419² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78368931469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24845897 + ... + 24849050.

It is an arithmetic number, because the mean of its divisors is an integer number (10435939080).

Almost surely, 2^78368931419 is an apocalyptic number.

78368931419 is a deficient number, since it is larger than the sum of its proper divisors (5118581221).

78368931419 is a wasteful number, since it uses less digits than its factorization.

78368931419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49695049.

The product of its digits is 7838208, while the sum is 59.

The spelling of 78368931419 in words is "seventy-eight billion, three hundred sixty-eight million, nine hundred thirty-one thousand, four hundred nineteen".