797698471680 has 1296 divisors, whose sum is σ = 3220738125696. Its totient is φ = 187446804480.

The previous prime is 797698471673. The next prime is 797698471709. The reversal of 797698471680 is 86174896797.

797698471680 is a `hidden beast` number, since 7 + 9 + 7 + 6 + 98 + 471 + 68 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1296).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 797698471599 and 797698471608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 9610824919 + ... + 9610825001.

Almost surely, 2^797698471680 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 797698471680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1610369062848).

797698471680 is an abundant number, since it is smaller than the sum of its proper divisors (2423039654016).

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

797698471680 is an equidigital number, since it uses as much as digits as its factorization.

797698471680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 256048128, while the sum is 72.

The spelling of 797698471680 in words is "seven hundred ninety-seven billion, six hundred ninety-eight million, four hundred seventy-one thousand, six hundred eighty".