788261641280 has 224 divisors, whose sum is σ = 2063114634240. Its totient is φ = 285569187840.

The previous prime is 788261641273. The next prime is 788261641291. The reversal of 788261641280 is 82146162887.

It is a Cunningham number, because it is equal to 887841²-1.

It is a super-2 number, since 2×788261641280² (a number of 25 digits) contains 22 as substring.

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, 30173504 + ... + 30199616.

Almost surely, 2^788261641280 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 788261641280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1031557317120).

788261641280 is an abundant number, since it is smaller than the sum of its proper divisors (1274852992960).

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

788261641280 is a wasteful number, since it uses less digits than its factorization.

788261641280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26357 (or 26347 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 53.

The spelling of 788261641280 in words is "seven hundred eighty-eight billion, two hundred sixty-one million, six hundred forty-one thousand, two hundred eighty".