9897802685022 has 16 divisors (see below), whose sum is σ = 22623548994432. Its totient is φ = 2827943624280.

The previous prime is 9897802685009. The next prime is 9897802685053. The reversal of 9897802685022 is 2205862087989.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117830984304 + ... + 117830984387.

It is an arithmetic number, because the mean of its divisors is an integer number (1413971812152).

Almost surely, 2^{9897802685022} is an apocalyptic number.

9897802685022 is an abundant number, since it is smaller than the sum of its proper divisors (12725746309410).

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

9897802685022 is a wasteful number, since it uses less digits than its factorization.

9897802685022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235661968703.

The product of its (nonzero) digits is 69672960, while the sum is 66.

The spelling of 9897802685022 in words is "nine trillion, eight hundred ninety-seven billion, eight hundred two million, six hundred eighty-five thousand, twenty-two".