769905923 has 2 divisors, whose sum is σ = 769905924. Its totient is φ = 769905922.

The previous prime is 769905907. The next prime is 769905971. The reversal of 769905923 is 329509967.

It is a weak prime.

It is an emirp because it is prime and its reverse (329509967) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 769905923 - 2⁴ = 769905907 is a prime.

It is not a weakly prime, because it can be changed into another prime (769905223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384952961 + 384952962.

It is an arithmetic number, because the mean of its divisors is an integer number (384952962).

Almost surely, 2^769905923 is an apocalyptic number.

769905923 is a deficient number, since it is larger than the sum of its proper divisors (1).

769905923 is an equidigital number, since it uses as much as digits as its factorization.

769905923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 918540, while the sum is 50.

The square root of 769905923 is about 27747.1786493690. The cubic root of 769905923 is about 916.5283158840.

The spelling of 769905923 in words is "seven hundred sixty-nine million, nine hundred five thousand, nine hundred twenty-three".