78414417371 has 2 divisors, whose sum is σ = 78414417372. Its totient is φ = 78414417370.

The previous prime is 78414417329. The next prime is 78414417437. The reversal of 78414417371 is 17371441487.

It is a weak prime.

It is an emirp because it is prime and its reverse (17371441487) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 78414417371 - 2⁶ = 78414417307 is a prime.

It is a super-2 number, since 2×78414417371² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (78414417871) by changing a digit.

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 as a sum of consecutive naturals, namely, 39207208685 + 39207208686.

It is an arithmetic number, because the mean of its divisors is an integer number (39207208686).

Almost surely, 2^78414417371 is an apocalyptic number.

78414417371 is a deficient number, since it is larger than the sum of its proper divisors (1).

78414417371 is an equidigital number, since it uses as much as digits as its factorization.

78414417371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 526848, while the sum is 47.

The spelling of 78414417371 in words is "seventy-eight billion, four hundred fourteen million, four hundred seventeen thousand, three hundred seventy-one".