773089009560 has 640 divisors, whose sum is σ = 3134507904000. Its totient is φ = 166947111936.

The previous prime is 773089009523. The next prime is 773089009571. The reversal of 773089009560 is 65900980377.

773089009560 is a `hidden beast` number, since 7 + 73 + 0 + 8 + 9 + 0 + 0 + 9 + 560 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 773089009497 and 773089009506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 171072981 + ... + 171077499.

It is an arithmetic number, because the mean of its divisors is an integer number (4897668600).

Almost surely, 2^773089009560 is an apocalyptic number.

773089009560 is a gapful number since it is divisible by the number (70) 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 773089009560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1567253952000).

773089009560 is an abundant number, since it is smaller than the sum of its proper divisors (2361418894440).

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

773089009560 is a wasteful number, since it uses less digits than its factorization.

773089009560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4965 (or 4952 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 54.

The spelling of 773089009560 in words is "seven hundred seventy-three billion, eighty-nine million, nine thousand, five hundred sixty".