770122708992 has 768 divisors, whose sum is σ = 2898898329600. Its totient is φ = 196517560320.

The previous prime is 770122708969. The next prime is 770122709047. The reversal of 770122708992 is 299807221077.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (768).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent 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 63 ways as a sum of consecutive naturals, for example, 155987548 + ... + 155992484.

It is an arithmetic number, because the mean of its divisors is an integer number (3774607200).

Almost surely, 2^770122708992 is an apocalyptic number.

770122708992 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 770122708992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1449449164800).

770122708992 is an abundant number, since it is smaller than the sum of its proper divisors (2128775620608).

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

770122708992 is a wasteful number, since it uses less digits than its factorization.

770122708992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5019 (or 4993 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 54.

The spelling of 770122708992 in words is "seven hundred seventy billion, one hundred twenty-two million, seven hundred eight thousand, nine hundred ninety-two".