77054161 has 2 divisors, whose sum is σ = 77054162. Its totient is φ = 77054160.

The previous prime is 77054123. The next prime is 77054179. The reversal of 77054161 is 16145077.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74494161 + 2560000 = 8631^2 + 1600^2 .

It is a cyclic number.

It is not a de Polignac number, because 77054161 - 2¹¹ = 77052113 is a prime.

It is equal to p_4507537 and since 77054161 and 4507537 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 (77054191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38527080 + 38527081.

It is an arithmetic number, because the mean of its divisors is an integer number (38527081).

Almost surely, 2^77054161 is an apocalyptic number.

It is an amenable number.

77054161 is a deficient number, since it is larger than the sum of its proper divisors (1).

77054161 is an equidigital number, since it uses as much as digits as its factorization.

77054161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 77054161 is about 8778.0499542894. The cubic root of 77054161 is about 425.5318113032.

The spelling of 77054161 in words is "seventy-seven million, fifty-four thousand, one hundred sixty-one".