78329292443 has 2 divisors, whose sum is σ = 78329292444. Its totient is φ = 78329292442.

The previous prime is 78329292359. The next prime is 78329292473. The reversal of 78329292443 is 34429292387.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78329292443 - 2⁸ = 78329292187 is a prime.

It is a super-2 number, since 2×78329292443² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (78329292473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39164646221 + 39164646222.

It is an arithmetic number, because the mean of its divisors is an integer number (39164646222).

Almost surely, 2^78329292443 is an apocalyptic number.

78329292443 is a deficient number, since it is larger than the sum of its proper divisors (1).

78329292443 is an equidigital number, since it uses as much as digits as its factorization.

78329292443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5225472, while the sum is 53.

The spelling of 78329292443 in words is "seventy-eight billion, three hundred twenty-nine million, two hundred ninety-two thousand, four hundred forty-three".