770880642269 has 2 divisors, whose sum is σ = 770880642270. Its totient is φ = 770880642268.

The previous prime is 770880642253. The next prime is 770880642347. The reversal of 770880642269 is 962246088077.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 633822976900 + 137057665369 = 796130^2 + 370213^2 .

It is a cyclic number.

It is not a de Polignac number, because 770880642269 - 2⁴ = 770880642253 is a prime.

It is a super-2 number, since 2×770880642269² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (770880641269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385440321134 + 385440321135.

It is an arithmetic number, because the mean of its divisors is an integer number (385440321135).

Almost surely, 2^770880642269 is an apocalyptic number.

It is an amenable number.

770880642269 is a deficient number, since it is larger than the sum of its proper divisors (1).

770880642269 is an equidigital number, since it uses as much as digits as its factorization.

770880642269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16257024, while the sum is 59.

The spelling of 770880642269 in words is "seven hundred seventy billion, eight hundred eighty million, six hundred forty-two thousand, two hundred sixty-nine".