785490922752 has 144 divisors (see below), whose sum is σ = 2181784731840. Its totient is φ = 250563690496.

The previous prime is 785490922739. The next prime is 785490922807. The reversal of 785490922752 is 257229094587.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2360683 + ... + 2672789.

It is an arithmetic number, because the mean of its divisors is an integer number (15151282860).

Almost surely, 2^785490922752 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 785490922752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1090892365920).

785490922752 is an abundant number, since it is smaller than the sum of its proper divisors (1396293809088).

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

785490922752 is a wasteful number, since it uses less digits than its factorization.

785490922752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312268 (or 312254 counting only the distinct ones).

The product of its (nonzero) digits is 25401600, while the sum is 60.

The spelling of 785490922752 in words is "seven hundred eighty-five billion, four hundred ninety million, nine hundred twenty-two thousand, seven hundred fifty-two".