773766868 has 48 divisors (see below), whose sum is σ = 1639160320. Its totient is φ = 312198624.

The previous prime is 773766863. The next prime is 773766869. The reversal of 773766868 is 868667377.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (773766863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82255 + ... + 91177.

Almost surely, 2^773766868 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 773766868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (819580160).

773766868 is an abundant number, since it is smaller than the sum of its proper divisors (865393452).

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

773766868 is a wasteful number, since it uses less digits than its factorization.

773766868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9116 (or 9114 counting only the distinct ones).

The product of its digits is 14224896, while the sum is 58.

The square root of 773766868 is about 27816.6652925903. The cubic root of 773766868 is about 918.0578389393.

The spelling of 773766868 in words is "seven hundred seventy-three million, seven hundred sixty-six thousand, eight hundred sixty-eight".