797410215522 has 90 divisors (see below), whose sum is σ = 1898537516337. Its totient is φ = 250107293376.

The previous prime is 797410215463. The next prime is 797410215541. The reversal of 797410215522 is 225512014797.

797410215522 is a `hidden beast` number, since 7 + 9 + 7 + 4 + 102 + 15 + 522 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 729809695521 + 67600520001 = 854289^2 + 260001^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=631431.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 193215823 + ... + 193219949.

Almost surely, 2^797410215522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 797410215522

797410215522 is an abundant number, since it is smaller than the sum of its proper divisors (1101127300815).

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

797410215522 is an frugal number, since it uses more digits than its factorization.

797410215522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8302 (or 4149 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The spelling of 797410215522 in words is "seven hundred ninety-seven billion, four hundred ten million, two hundred fifteen thousand, five hundred twenty-two".