77077097 has 2 divisors, whose sum is σ = 77077098. Its totient is φ = 77077096.

The previous prime is 77077087. The next prime is 77077111. The reversal of 77077097 is 79077077.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58920976 + 18156121 = 7676^2 + 4261^2 .

It is a cyclic number.

It is not a de Polignac number, because 77077097 - 2¹⁸ = 76814953 is a prime.

It is not a weakly prime, because it can be changed into another prime (77077057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38538548 + 38538549.

It is an arithmetic number, because the mean of its divisors is an integer number (38538549).

Almost surely, 2^77077097 is an apocalyptic number.

It is an amenable number.

77077097 is a deficient number, since it is larger than the sum of its proper divisors (1).

77077097 is an equidigital number, since it uses as much as digits as its factorization.

77077097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151263, while the sum is 44.

The square root of 77077097 is about 8779.3562975881. The cubic root of 77077097 is about 425.5740284886.

The spelling of 77077097 in words is "seventy-seven million, seventy-seven thousand, ninety-seven".