77241193933 has 2 divisors, whose sum is σ = 77241193934. Its totient is φ = 77241193932.

The previous prime is 77241193903. The next prime is 77241193951. The reversal of 77241193933 is 33939114277.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77241193929 + 4 = 277923^2 + 2^2 .

It is an emirp because it is prime and its reverse (33939114277) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 77241193933 - 2¹³ = 77241185741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77241193903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38620596966 + 38620596967.

It is an arithmetic number, because the mean of its divisors is an integer number (38620596967).

Almost surely, 2^77241193933 is an apocalyptic number.

It is an amenable number.

77241193933 is a deficient number, since it is larger than the sum of its proper divisors (1).

77241193933 is an equidigital number, since it uses as much as digits as its factorization.

77241193933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 857304, while the sum is 49.

The spelling of 77241193933 in words is "seventy-seven billion, two hundred forty-one million, one hundred ninety-three thousand, nine hundred thirty-three".