77134061 has 2 divisors, whose sum is σ = 77134062. Its totient is φ = 77134060.

The previous prime is 77134051. The next prime is 77134067. The reversal of 77134061 is 16043177.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70728100 + 6405961 = 8410^2 + 2531^2 .

It is a cyclic number.

It is not a de Polignac number, because 77134061 - 2¹⁰ = 77133037 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77134067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38567030 + 38567031.

It is an arithmetic number, because the mean of its divisors is an integer number (38567031).

Almost surely, 2^77134061 is an apocalyptic number.

It is an amenable number.

77134061 is a deficient number, since it is larger than the sum of its proper divisors (1).

77134061 is an equidigital number, since it uses as much as digits as its factorization.

77134061 is an odious number, because the sum of its binary digits is odd.

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

The square root of 77134061 is about 8782.5998998019. The cubic root of 77134061 is about 425.6788431491.

The spelling of 77134061 in words is "seventy-seven million, one hundred thirty-four thousand, sixty-one".