769720896 has 168 divisors, whose sum is σ = 2533294400. Its totient is φ = 218889216.

The previous prime is 769720877. The next prime is 769720901. The reversal of 769720896 is 698027967.

It is a tau number, because it is divible by the number of its divisors (168).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1406895 + ... + 1407441.

Almost surely, 2^769720896 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 769720896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1266647200).

769720896 is an abundant number, since it is smaller than the sum of its proper divisors (1763573504).

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

769720896 is a wasteful number, since it uses less digits than its factorization.

769720896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921 (or 908 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The square root of 769720896 is about 27743.8442902205. The cubic root of 769720896 is about 916.4548887001.

The spelling of 769720896 in words is "seven hundred sixty-nine million, seven hundred twenty thousand, eight hundred ninety-six".