9678159990622 has 64 divisors (see below), whose sum is σ = 15155697401856. Its totient is φ = 4631438165760.

The previous prime is 9678159990593. The next prime is 9678159990641. The reversal of 9678159990622 is 2260999518769.

It is a super-2 number, since 2×9678159990622² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 2075519863 + ... + 2075524525.

It is an arithmetic number, because the mean of its divisors is an integer number (236807771904).

Almost surely, 2^{9678159990622} is an apocalyptic number.

9678159990622 is a deficient number, since it is larger than the sum of its proper divisors (5477537411234).

9678159990622 is a wasteful number, since it uses less digits than its factorization.

9678159990622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6185.

The product of its (nonzero) digits is 264539520, while the sum is 73.

The spelling of 9678159990622 in words is "nine trillion, six hundred seventy-eight billion, one hundred fifty-nine million, nine hundred ninety thousand, six hundred twenty-two".