978563163441 has 8 divisors (see below), whose sum is σ = 1304762218240. Its totient is φ = 652369775472.

The previous prime is 978563163371. The next prime is 978563163443. The reversal of 978563163441 is 144361365879.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 978563163441 - 2⁷ = 978563163313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (978563163443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 995926 + ... + 1717263.

It is an arithmetic number, because the mean of its divisors is an integer number (163095277280).

Almost surely, 2^978563163441 is an apocalyptic number.

It is an amenable number.

978563163441 is a deficient number, since it is larger than the sum of its proper divisors (326199054799).

978563163441 is a wasteful number, since it uses less digits than its factorization.

978563163441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2833415.

The product of its digits is 13063680, while the sum is 57.

The spelling of 978563163441 in words is "nine hundred seventy-eight billion, five hundred sixty-three million, one hundred sixty-three thousand, four hundred forty-one".