697905861706368 has 256 divisors, whose sum is σ = 2354097410841600. Its totient is φ = 199397451230208.

The previous prime is 697905861706331. The next prime is 697905861706453. The reversal of 697905861706368 is 863607168509796.

697905861706368 is a `hidden beast` number, since 6 + 9 + 7 + 9 + 0 + 5 + 86 + 170 + 6 + 368 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1247132355 + ... + 1247691837.

It is an arithmetic number, because the mean of its divisors is an integer number (9195693011100).

Almost surely, 2^{697905861706368} 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 697905861706368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1177048705420800).

697905861706368 is an abundant number, since it is smaller than the sum of its proper divisors (1656191549135232).

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

697905861706368 is a wasteful number, since it uses less digits than its factorization.

697905861706368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611076 (or 611058 counting only the distinct ones).

The product of its (nonzero) digits is 4938071040, while the sum is 81.

The spelling of 697905861706368 in words is "six hundred ninety-seven trillion, nine hundred five billion, eight hundred sixty-one million, seven hundred six thousand, three hundred sixty-eight".