798857040064 has 224 divisors, whose sum is σ = 1721775185856. Its totient is φ = 366414397440.

The previous prime is 798857040041. The next prime is 798857040103. The reversal of 798857040064 is 460040758897.

It is a super-2 number, since 2×798857040064² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 798857039990 and 798857040008.

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, 3108393024 + ... + 3108393280.

Almost surely, 2^798857040064 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 798857040064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (860887592928).

798857040064 is an abundant number, since it is smaller than the sum of its proper divisors (922918145792).

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

798857040064 is a wasteful number, since it uses less digits than its factorization.

798857040064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723 (or 713 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 58.

The spelling of 798857040064 in words is "seven hundred ninety-eight billion, eight hundred fifty-seven million, forty thousand, sixty-four".