77011049 has 2 divisors, whose sum is σ = 77011050. Its totient is φ = 77011048.

The previous prime is 77011031. The next prime is 77011063. The reversal of 77011049 is 94011077.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76877824 + 133225 = 8768^2 + 365^2 .

It is an emirp because it is prime and its reverse (94011077) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 77011049 - 2⁸ = 77010793 is a prime.

It is not a weakly prime, because it can be changed into another prime (77017049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38505524 + 38505525.

It is an arithmetic number, because the mean of its divisors is an integer number (38505525).

Almost surely, 2^77011049 is an apocalyptic number.

It is an amenable number.

77011049 is a deficient number, since it is larger than the sum of its proper divisors (1).

77011049 is an equidigital number, since it uses as much as digits as its factorization.

77011049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 77011049 is about 8775.5939400134. The cubic root of 77011049 is about 425.4524344522.

The spelling of 77011049 in words is "seventy-seven million, eleven thousand, forty-nine".