77300465789 has 2 divisors, whose sum is σ = 77300465790. Its totient is φ = 77300465788.

The previous prime is 77300465783. The next prime is 77300465807. The reversal of 77300465789 is 98756400377.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68705321689 + 8595144100 = 262117^2 + 92710^2 .

It is a cyclic number.

It is not a de Polignac number, because 77300465789 - 2¹⁶ = 77300400253 is a prime.

It is a super-2 number, since 2×77300465789² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77300465783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38650232894 + 38650232895.

It is an arithmetic number, because the mean of its divisors is an integer number (38650232895).

Almost surely, 2^77300465789 is an apocalyptic number.

It is an amenable number.

77300465789 is a deficient number, since it is larger than the sum of its proper divisors (1).

77300465789 is an equidigital number, since it uses as much as digits as its factorization.

77300465789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8890560, while the sum is 56.

The spelling of 77300465789 in words is "seventy-seven billion, three hundred million, four hundred sixty-five thousand, seven hundred eighty-nine".