77379562453 has 2 divisors, whose sum is σ = 77379562454. Its totient is φ = 77379562452.

The previous prime is 77379562433. The next prime is 77379562459. The reversal of 77379562453 is 35426597377.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45532304689 + 31847257764 = 213383^2 + 178458^2 .

It is a cyclic number.

It is not a de Polignac number, because 77379562453 - 2²¹ = 77377465301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77379562459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38689781226 + 38689781227.

It is an arithmetic number, because the mean of its divisors is an integer number (38689781227).

Almost surely, 2^77379562453 is an apocalyptic number.

It is an amenable number.

77379562453 is a deficient number, since it is larger than the sum of its proper divisors (1).

77379562453 is an equidigital number, since it uses as much as digits as its factorization.

77379562453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33339600, while the sum is 58.

The spelling of 77379562453 in words is "seventy-seven billion, three hundred seventy-nine million, five hundred sixty-two thousand, four hundred fifty-three".