769620007769 has 2 divisors, whose sum is σ = 769620007770. Its totient is φ = 769620007768.

The previous prime is 769620007757. The next prime is 769620007789. The reversal of 769620007769 is 967700026967.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 760188684544 + 9431323225 = 871888^2 + 97115^2 .

It is an emirp because it is prime and its reverse (967700026967) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 769620007769 - 2¹⁶ = 769619942233 is a prime.

It is a super-2 number, since 2×769620007769² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (769620007789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384810003884 + 384810003885.

It is an arithmetic number, because the mean of its divisors is an integer number (384810003885).

Almost surely, 2^769620007769 is an apocalyptic number.

It is an amenable number.

769620007769 is a deficient number, since it is larger than the sum of its proper divisors (1).

769620007769 is an equidigital number, since it uses as much as digits as its factorization.

769620007769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12002256, while the sum is 59.

The spelling of 769620007769 in words is "seven hundred sixty-nine billion, six hundred twenty million, seven thousand, seven hundred sixty-nine".