77763877823072 has 192 divisors, whose sum is σ = 178056293216256. Its totient is φ = 32742675947520.

The previous prime is 77763877823059. The next prime is 77763877823131. The reversal of 77763877823072 is 27032877836777.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15687687218 + ... + 15687692174.

It is an arithmetic number, because the mean of its divisors is an integer number (927376527168).

Almost surely, 2^{77763877823072} 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 77763877823072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89028146608128).

77763877823072 is an abundant number, since it is smaller than the sum of its proper divisors (100292415393184).

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

77763877823072 is a wasteful number, since it uses less digits than its factorization.

77763877823072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8309 (or 8301 counting only the distinct ones).

The product of its (nonzero) digits is 1626379776, while the sum is 74.

The spelling of 77763877823072 in words is "seventy-seven trillion, seven hundred sixty-three billion, eight hundred seventy-seven million, eight hundred twenty-three thousand, seventy-two".