772885335068 has 72 divisors (see below), whose sum is σ = 1699744813536. Its totient is φ = 301004605440.

The previous prime is 772885335017. The next prime is 772885335113. The reversal of 772885335068 is 860533588277.

It is a self number, because there is not a number n which added to its sum of digits gives 772885335068.

It is a congruent number.

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, 8741096 + ... + 8829072.

Almost surely, 2^772885335068 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 772885335068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (849872406768).

772885335068 is an abundant number, since it is smaller than the sum of its proper divisors (926859478468).

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

772885335068 is a wasteful number, since it uses less digits than its factorization.

772885335068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90603 (or 90590 counting only the distinct ones).

The product of its (nonzero) digits is 67737600, while the sum is 62.

The spelling of 772885335068 in words is "seven hundred seventy-two billion, eight hundred eighty-five million, three hundred thirty-five thousand, sixty-eight".