97798196466 has 48 divisors (see below), whose sum is σ = 219568652160. Its totient is φ = 31438199520.

The previous prime is 97798196449. The next prime is 97798196471. The reversal of 97798196466 is 66469189779.

97798196466 is a `hidden beast` number, since 9 + 7 + 79 + 8 + 1 + 96 + 466 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 97798196394 and 97798196403.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 738565 + ... + 860856.

It is an arithmetic number, because the mean of its divisors is an integer number (4574346920).

Almost surely, 2^97798196466 is an apocalyptic number.

97798196466 is an abundant number, since it is smaller than the sum of its proper divisors (121770455694).

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

97798196466 is a wasteful number, since it uses less digits than its factorization.

97798196466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599551 (or 1599548 counting only the distinct ones).

The product of its digits is 246903552, while the sum is 72.

The spelling of 97798196466 in words is "ninety-seven billion, seven hundred ninety-eight million, one hundred ninety-six thousand, four hundred sixty-six".