77700323941 has 2 divisors, whose sum is σ = 77700323942. Its totient is φ = 77700323940.

The previous prime is 77700323933. The next prime is 77700323951. The reversal of 77700323941 is 14932300777.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69392730625 + 8307593316 = 263425^2 + 91146^2 .

It is a cyclic number.

It is not a de Polignac number, because 77700323941 - 2³ = 77700323933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77700323951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38850161970 + 38850161971.

It is an arithmetic number, because the mean of its divisors is an integer number (38850161971).

Almost surely, 2^77700323941 is an apocalyptic number.

It is an amenable number.

77700323941 is a deficient number, since it is larger than the sum of its proper divisors (1).

77700323941 is an equidigital number, since it uses as much as digits as its factorization.

77700323941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 222264, while the sum is 43.

The spelling of 77700323941 in words is "seventy-seven billion, seven hundred million, three hundred twenty-three thousand, nine hundred forty-one".