719552255977 has 2 divisors, whose sum is σ = 719552255978. Its totient is φ = 719552255976.

The previous prime is 719552255923. The next prime is 719552256041. The reversal of 719552255977 is 779552255917.

It is an a-pointer prime, because the next prime (719552256041) can be obtained adding 719552255977 to its sum of digits (64).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 563909381721 + 155642874256 = 750939^2 + 394516^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-719552255977 is a prime.

It is not a weakly prime, because it can be changed into another prime (719552255377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359776127988 + 359776127989.

It is an arithmetic number, because the mean of its divisors is an integer number (359776127989).

Almost surely, 2^719552255977 is an apocalyptic number.

It is an amenable number.

719552255977 is a deficient number, since it is larger than the sum of its proper divisors (1).

719552255977 is an equidigital number, since it uses as much as digits as its factorization.

719552255977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69457500, while the sum is 64.

The spelling of 719552255977 in words is "seven hundred nineteen billion, five hundred fifty-two million, two hundred fifty-five thousand, nine hundred seventy-seven".