797735821963560 has 64 divisors (see below), whose sum is σ = 2399175564454080. Its totient is φ = 212199054873600.

The previous prime is 797735821963511. The next prime is 797735821963579. The reversal of 797735821963560 is 65369128537797.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8288977462 + ... + 8289073701.

It is an arithmetic number, because the mean of its divisors is an integer number (37487118194595).

Almost surely, 2^{797735821963560} is an apocalyptic number.

It is an amenable number.

797735821963560 is an abundant number, since it is smaller than the sum of its proper divisors (1601439742490520).

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

797735821963560 is a wasteful number, since it uses less digits than its factorization.

797735821963560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16578051578 (or 16578051574 counting only the distinct ones).

The product of its (nonzero) digits is 3600676800, while the sum is 78.

The spelling of 797735821963560 in words is "seven hundred ninety-seven trillion, seven hundred thirty-five billion, eight hundred twenty-one million, nine hundred sixty-three thousand, five hundred sixty".