77202312063268 has 12 divisors (see below), whose sum is σ = 154404624126592. Its totient is φ = 33086705169960.

The previous prime is 77202312063169. The next prime is 77202312063311. The reversal of 77202312063268 is 86236021320277.

77202312063268 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1378612715388 + ... + 1378612715443.

Almost surely, 2^{77202312063268} is an apocalyptic number.

It is an amenable number.

77202312063268 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

77202312063268 is a wasteful number, since it uses less digits than its factorization.

77202312063268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2757225430842 (or 2757225430840 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 49.

The spelling of 77202312063268 in words is "seventy-seven trillion, two hundred two billion, three hundred twelve million, sixty-three thousand, two hundred sixty-eight".