77934163 has 2 divisors, whose sum is σ = 77934164. Its totient is φ = 77934162.

The previous prime is 77934161. The next prime is 77934169. The reversal of 77934163 is 36143977.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 77934163 - 2¹ = 77934161 is a prime.

Together with 77934161, it forms a pair of twin primes.

It is equal to p_4555966 and since 77934163 and 4555966 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (77934161) 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, 38967081 + 38967082.

It is an arithmetic number, because the mean of its divisors is an integer number (38967082).

Almost surely, 2^77934163 is an apocalyptic number.

77934163 is a deficient number, since it is larger than the sum of its proper divisors (1).

77934163 is an equidigital number, since it uses as much as digits as its factorization.

77934163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 40.

The square root of 77934163 is about 8828.0327933238. The cubic root of 77934163 is about 427.1456210708.

The spelling of 77934163 in words is "seventy-seven million, nine hundred thirty-four thousand, one hundred sixty-three".