834080077 has 2 divisors, whose sum is σ = 834080078. Its totient is φ = 834080076.

The previous prime is 834080057. The next prime is 834080089. The reversal of 834080077 is 770080438.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 727866441 + 106213636 = 26979^2 + 10306^2 .

It is a cyclic number.

It is not a de Polignac number, because 834080077 - 2¹¹ = 834078029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (834080057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417040038 + 417040039.

It is an arithmetic number, because the mean of its divisors is an integer number (417040039).

Almost surely, 2^834080077 is an apocalyptic number.

It is an amenable number.

834080077 is a deficient number, since it is larger than the sum of its proper divisors (1).

834080077 is an equidigital number, since it uses as much as digits as its factorization.

834080077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 834080077 is about 28880.4445429775. Note that the first 3 decimals coincide. The cubic root of 834080077 is about 941.3170300413.

The spelling of 834080077 in words is "eight hundred thirty-four million, eighty thousand, seventy-seven".