797609646220 has 24 divisors (see below), whose sum is σ = 1713933288144. Its totient is φ = 311624233536.

The previous prime is 797609646203. The next prime is 797609646221. The reversal of 797609646220 is 22646906797.

It is a happy number.

It is a super-2 number, since 2×797609646220² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (797609646221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463725679 + ... + 463727398.

It is an arithmetic number, because the mean of its divisors is an integer number (71413887006).

Almost surely, 2^797609646220 is an apocalyptic number.

It is an amenable number.

797609646220 is an abundant number, since it is smaller than the sum of its proper divisors (916323641924).

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

797609646220 is a wasteful number, since it uses less digits than its factorization.

797609646220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927453129 (or 927453127 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 58.

The spelling of 797609646220 in words is "seven hundred ninety-seven billion, six hundred nine million, six hundred forty-six thousand, two hundred twenty".