77934343 has 2 divisors, whose sum is σ = 77934344. Its totient is φ = 77934342.

The previous prime is 77934331. The next prime is 77934347. The reversal of 77934343 is 34343977.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77934343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77934296 and 77934305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77934347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38967171 + 38967172.

It is an arithmetic number, because the mean of its divisors is an integer number (38967172).

Almost surely, 2^77934343 is an apocalyptic number.

77934343 is a deficient number, since it is larger than the sum of its proper divisors (1).

77934343 is an equidigital number, since it uses as much as digits as its factorization.

77934343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 40.

The square root of 77934343 is about 8828.0429881146. The cubic root of 77934343 is about 427.1459499217.

The spelling of 77934343 in words is "seventy-seven million, nine hundred thirty-four thousand, three hundred forty-three".