772366868 has 48 divisors (see below), whose sum is σ = 1672159104. Its totient is φ = 303972480.

The previous prime is 772366867. The next prime is 772366873. The reversal of 772366868 is 868663277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772366867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66323 + ... + 77093.

It is an arithmetic number, because the mean of its divisors is an integer number (34836648).

Almost surely, 2^772366868 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 772366868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (836079552).

772366868 is an abundant number, since it is smaller than the sum of its proper divisors (899792236).

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

772366868 is a wasteful number, since it uses less digits than its factorization.

772366868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10992 (or 10990 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 53.

The square root of 772366868 is about 27791.4891288682. The cubic root of 772366868 is about 917.5038146485.

The spelling of 772366868 in words is "seven hundred seventy-two million, three hundred sixty-six thousand, eight hundred sixty-eight".