773478768 has 80 divisors (see below), whose sum is σ = 2079358976. Its totient is φ = 247484160.

The previous prime is 773478751. The next prime is 773478773. The reversal of 773478768 is 867874377.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186930 + ... + 191022.

Almost surely, 2^773478768 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 773478768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1039679488).

773478768 is an abundant number, since it is smaller than the sum of its proper divisors (1305880208).

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

773478768 is a wasteful number, since it uses less digits than its factorization.

773478768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4262 (or 4256 counting only the distinct ones).

The product of its digits is 11063808, while the sum is 57.

The square root of 773478768 is about 27811.4862601767. The cubic root of 773478768 is about 917.9438832989.

The spelling of 773478768 in words is "seven hundred seventy-three million, four hundred seventy-eight thousand, seven hundred sixty-eight".