769940564 has 6 divisors (see below), whose sum is σ = 1347395994. Its totient is φ = 384970280.

The previous prime is 769940551. The next prime is 769940569. The reversal of 769940564 is 465049967.

769940564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 769507600 + 432964 = 27740^2 + 658^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (769940569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96242567 + ... + 96242574.

It is an arithmetic number, because the mean of its divisors is an integer number (224565999).

Almost surely, 2^769940564 is an apocalyptic number.

It is an amenable number.

769940564 is a deficient number, since it is larger than the sum of its proper divisors (577455430).

769940564 is a wasteful number, since it uses less digits than its factorization.

769940564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192485145 (or 192485143 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 50.

The square root of 769940564 is about 27747.8028679750. The cubic root of 769940564 is about 916.5420617112.

The spelling of 769940564 in words is "seven hundred sixty-nine million, nine hundred forty thousand, five hundred sixty-four".