77034161 has 2 divisors, whose sum is σ = 77034162. Its totient is φ = 77034160.

The previous prime is 77034149. The next prime is 77034169. The reversal of 77034161 is 16143077.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43033600 + 34000561 = 6560^2 + 5831^2 .

It is a cyclic number.

It is not a de Polignac number, because 77034161 - 2²² = 72839857 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (77034169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38517080 + 38517081.

It is an arithmetic number, because the mean of its divisors is an integer number (38517081).

Almost surely, 2^77034161 is an apocalyptic number.

It is an amenable number.

77034161 is a deficient number, since it is larger than the sum of its proper divisors (1).

77034161 is an equidigital number, since it uses as much as digits as its factorization.

77034161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 77034161 is about 8776.9106751750. The cubic root of 77034161 is about 425.4949914328.

The spelling of 77034161 in words is "seventy-seven million, thirty-four thousand, one hundred sixty-one".