77634341 has 2 divisors, whose sum is σ = 77634342. Its totient is φ = 77634340.

The previous prime is 77634301. The next prime is 77634343. The reversal of 77634341 is 14343677.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60996100 + 16638241 = 7810^2 + 4079^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77634341 is a prime.

Together with 77634343, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_4539428 and since 77634341 and 4539428 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77634343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38817170 + 38817171.

It is an arithmetic number, because the mean of its divisors is an integer number (38817171).

Almost surely, 2^77634341 is an apocalyptic number.

It is an amenable number.

77634341 is a deficient number, since it is larger than the sum of its proper divisors (1).

77634341 is an equidigital number, since it uses as much as digits as its factorization.

77634341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 35.

The square root of 77634341 is about 8811.0351832234. The cubic root of 77634341 is about 426.5971571201.

The spelling of 77634341 in words is "seventy-seven million, six hundred thirty-four thousand, three hundred forty-one".