77253584741 has 2 divisors, whose sum is σ = 77253584742. Its totient is φ = 77253584740.

The previous prime is 77253584701. The next prime is 77253584747. The reversal of 77253584741 is 14748535277.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54368248900 + 22885335841 = 233170^2 + 151279^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77253584741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77253584747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38626792370 + 38626792371.

It is an arithmetic number, because the mean of its divisors is an integer number (38626792371).

Almost surely, 2^77253584741 is an apocalyptic number.

It is an amenable number.

77253584741 is a deficient number, since it is larger than the sum of its proper divisors (1).

77253584741 is an equidigital number, since it uses as much as digits as its factorization.

77253584741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6585600, while the sum is 53.

The spelling of 77253584741 in words is "seventy-seven billion, two hundred fifty-three million, five hundred eighty-four thousand, seven hundred forty-one".