78148974341 has 2 divisors, whose sum is σ = 78148974342. Its totient is φ = 78148974340.

The previous prime is 78148974311. The next prime is 78148974419. The reversal of 78148974341 is 14347984187.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76900836100 + 1248138241 = 277310^2 + 35329^2 .

It is a cyclic number.

It is not a de Polignac number, because 78148974341 - 2¹⁰ = 78148973317 is a prime.

It is a super-2 number, since 2×78148974341² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78148974311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39074487170 + 39074487171.

It is an arithmetic number, because the mean of its divisors is an integer number (39074487171).

Almost surely, 2^78148974341 is an apocalyptic number.

It is an amenable number.

78148974341 is a deficient number, since it is larger than the sum of its proper divisors (1).

78148974341 is an equidigital number, since it uses as much as digits as its factorization.

78148974341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5419008, while the sum is 56.

The spelling of 78148974341 in words is "seventy-eight billion, one hundred forty-eight million, nine hundred seventy-four thousand, three hundred forty-one".