983763646890 has 128 divisors (see below), whose sum is σ = 2503628144640. Its totient is φ = 246989068800.

The previous prime is 983763646871. The next prime is 983763646907. The reversal of 983763646890 is 98646367389.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13652737 + ... + 13724603.

It is an arithmetic number, because the mean of its divisors is an integer number (19559594880).

Almost surely, 2^983763646890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 983763646890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1251814072320).

983763646890 is an abundant number, since it is smaller than the sum of its proper divisors (1519864497750).

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

983763646890 is a wasteful number, since it uses less digits than its factorization.

983763646890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72308.

The product of its (nonzero) digits is 282175488, while the sum is 69.

The spelling of 983763646890 in words is "nine hundred eighty-three billion, seven hundred sixty-three million, six hundred forty-six thousand, eight hundred ninety".