797870044709920 has 1536 divisors, whose sum is σ = 2533080326160384. Its totient is φ = 230390208921600.

The previous prime is 797870044709911. The next prime is 797870044709921. The reversal of 797870044709920 is 29907440078797.

It is not an unprimeable number, because it can be changed into a prime (797870044709921) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 260146736227 + ... + 260146739293.

It is an arithmetic number, because the mean of its divisors is an integer number (1649140837344).

Almost surely, 2^{797870044709920} is an apocalyptic number.

797870044709920 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 797870044709920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1266540163080192).

797870044709920 is an abundant number, since it is smaller than the sum of its proper divisors (1735210281450464).

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

797870044709920 is a wasteful number, since it uses less digits than its factorization.

797870044709920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3434 (or 3426 counting only the distinct ones).

The product of its (nonzero) digits is 448084224, while the sum is 73.

The spelling of 797870044709920 in words is "seven hundred ninety-seven trillion, eight hundred seventy billion, forty-four million, seven hundred nine thousand, nine hundred twenty".