77284730933 has 2 divisors, whose sum is σ = 77284730934. Its totient is φ = 77284730932.

The previous prime is 77284730869. The next prime is 77284730987. The reversal of 77284730933 is 33903748277.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69961308004 + 7323422929 = 264502^2 + 85577^2 .

It is a cyclic number.

It is not a de Polignac number, because 77284730933 - 2⁶ = 77284730869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77284735933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38642365466 + 38642365467.

It is an arithmetic number, because the mean of its divisors is an integer number (38642365467).

Almost surely, 2^77284730933 is an apocalyptic number.

It is an amenable number.

77284730933 is a deficient number, since it is larger than the sum of its proper divisors (1).

77284730933 is an equidigital number, since it uses as much as digits as its factorization.

77284730933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5334336, while the sum is 53.

The spelling of 77284730933 in words is "seventy-seven billion, two hundred eighty-four million, seven hundred thirty thousand, nine hundred thirty-three".