769209696 has 144 divisors (see below), whose sum is σ = 2342366208. Its totient is φ = 248054400.

The previous prime is 769209691. The next prime is 769209697. The reversal of 769209696 is 696902967.

It is a happy number.

769209696 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (769209691) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 239461 + ... + 242651.

It is an arithmetic number, because the mean of its divisors is an integer number (16266432).

Almost surely, 2^769209696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 769209696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1171183104).

769209696 is an abundant number, since it is smaller than the sum of its proper divisors (1573156512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

769209696 is a wasteful number, since it uses less digits than its factorization.

769209696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3247 (or 3227 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 54.

The square root of 769209696 is about 27734.6299055891. The cubic root of 769209696 is about 916.2519599528.

The spelling of 769209696 in words is "seven hundred sixty-nine million, two hundred nine thousand, six hundred ninety-six".