77601061 has 2 divisors, whose sum is σ = 77601062. Its totient is φ = 77601060.

The previous prime is 77601019. The next prime is 77601079. The reversal of 77601061 is 16010677.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73856836 + 3744225 = 8594^2 + 1935^2 .

It is a cyclic number.

It is not a de Polignac number, because 77601061 - 2¹⁷ = 77469989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77601761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38800530 + 38800531.

It is an arithmetic number, because the mean of its divisors is an integer number (38800531).

Almost surely, 2^77601061 is an apocalyptic number.

It is an amenable number.

77601061 is a deficient number, since it is larger than the sum of its proper divisors (1).

77601061 is an equidigital number, since it uses as much as digits as its factorization.

77601061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 77601061 is about 8809.1464399225. The cubic root of 77601061 is about 426.5361910478.

The spelling of 77601061 in words is "seventy-seven million, six hundred one thousand, sixty-one".