7772842055748 has 192 divisors, whose sum is σ = 23344201875456. Its totient is φ = 1953552384000.

The previous prime is 7772842055747. The next prime is 7772842055791. The reversal of 7772842055748 is 8475502482777.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (7772842055747) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 393014436 + ... + 393034212.

It is an arithmetic number, because the mean of its divisors is an integer number (121584384768).

Almost surely, 2^{7772842055748} 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 7772842055748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11672100937728).

7772842055748 is an abundant number, since it is smaller than the sum of its proper divisors (15571359819708).

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

7772842055748 is a wasteful number, since it uses less digits than its factorization.

7772842055748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33554 (or 33552 counting only the distinct ones).

The product of its (nonzero) digits is 245862400, while the sum is 66.

The spelling of 7772842055748 in words is "seven trillion, seven hundred seventy-two billion, eight hundred forty-two million, fifty-five thousand, seven hundred forty-eight".