978283696662 has 96 divisors (see below), whose sum is σ = 2281568400384. Its totient is φ = 313831000800.

The previous prime is 978283696619. The next prime is 978283696679. The reversal of 978283696662 is 266696382879.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2547573 + ... + 2906319.

It is an arithmetic number, because the mean of its divisors is an integer number (23766337504).

Almost surely, 2^978283696662 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 978283696662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1140784200192).

978283696662 is an abundant number, since it is smaller than the sum of its proper divisors (1303284703722).

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

978283696662 is a wasteful number, since it uses less digits than its factorization.

978283696662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358976 (or 358964 counting only the distinct ones).

The product of its digits is 564350976, while the sum is 72.

The spelling of 978283696662 in words is "nine hundred seventy-eight billion, two hundred eighty-three million, six hundred ninety-six thousand, six hundred sixty-two".