77045264760241 has 2 divisors, whose sum is σ = 77045264760242. Its totient is φ = 77045264760240.

The previous prime is 77045264760229. The next prime is 77045264760283. The reversal of 77045264760241 is 14206746254077.

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., 64647147719025 + 12398117041216 = 8040345^2 + 3521096^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77045264760241 is a prime.

It is not a weakly prime, because it can be changed into another prime (77045264760941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38522632380120 + 38522632380121.

It is an arithmetic number, because the mean of its divisors is an integer number (38522632380121).

Almost surely, 2^{77045264760241} is an apocalyptic number.

It is an amenable number.

77045264760241 is a deficient number, since it is larger than the sum of its proper divisors (1).

77045264760241 is an equidigital number, since it uses as much as digits as its factorization.

77045264760241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15805440, while the sum is 55.

The spelling of 77045264760241 in words is "seventy-seven trillion, forty-five billion, two hundred sixty-four million, seven hundred sixty thousand, two hundred forty-one".