978827419863 has 24 divisors (see below), whose sum is σ = 1420918200000. Its totient is φ = 649299216384.

The previous prime is 978827419859. The next prime is 978827419897. The reversal of 978827419863 is 368914728879.

978827419863 is a `hidden beast` number, since 9 + 78 + 82 + 7 + 419 + 8 + 63 = 666.

It is not a de Polignac number, because 978827419863 - 2² = 978827419859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 978827419791 and 978827419800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978827419363) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2504431 + ... + 2868767.

It is an arithmetic number, because the mean of its divisors is an integer number (59204925000).

Almost surely, 2^978827419863 is an apocalyptic number.

978827419863 is a deficient number, since it is larger than the sum of its proper divisors (442090780137).

978827419863 is a wasteful number, since it uses less digits than its factorization.

978827419863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365831 (or 365828 counting only the distinct ones).

The product of its digits is 292626432, while the sum is 72.

The spelling of 978827419863 in words is "nine hundred seventy-eight billion, eight hundred twenty-seven million, four hundred nineteen thousand, eight hundred sixty-three".