797490277056 has 1008 divisors, whose sum is σ = 2798176032288. Its totient is φ = 224227491840.

The previous prime is 797490277049. The next prime is 797490277069. The reversal of 797490277056 is 650772094797.

797490277056 is a `hidden beast` number, since 7 + 9 + 7 + 490 + 27 + 70 + 56 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 797490276984 and 797490277002.

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, 3103074880 + ... + 3103075136.

It is an arithmetic number, because the mean of its divisors is an integer number (2775968286).

Almost surely, 2^797490277056 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 797490277056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1399088016144).

797490277056 is an abundant number, since it is smaller than the sum of its proper divisors (2000685755232).

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

797490277056 is a wasteful number, since it uses less digits than its factorization.

797490277056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 46675440, while the sum is 63.

The spelling of 797490277056 in words is "seven hundred ninety-seven billion, four hundred ninety million, two hundred seventy-seven thousand, fifty-six".