77863068323152 has 40 divisors (see below), whose sum is σ = 177972727603712. Its totient is φ = 32293438473600.

The previous prime is 77863068323143. The next prime is 77863068323171. The reversal of 77863068323152 is 25132386036877.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11212995999 + ... + 11213002942.

Almost surely, 2^{77863068323152} is an apocalyptic number.

It is an amenable number.

77863068323152 is an abundant number, since it is smaller than the sum of its proper divisors (100109659280560).

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

77863068323152 is a wasteful number, since it uses less digits than its factorization.

77863068323152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22425998987 (or 22425998981 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 61.

The spelling of 77863068323152 in words is "seventy-seven trillion, eight hundred sixty-three billion, sixty-eight million, three hundred twenty-three thousand, one hundred fifty-two".