978004496863 has 4 divisors (see below), whose sum is σ = 978098555200. Its totient is φ = 977910438528.

The previous prime is 978004496849. The next prime is 978004496893. The reversal of 978004496863 is 368694400879.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 978004496863 - 2⁵ = 978004496831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 978004496795 and 978004496804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978004496813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47013570 + ... + 47034367.

It is an arithmetic number, because the mean of its divisors is an integer number (244524638800).

Almost surely, 2^978004496863 is an apocalyptic number.

978004496863 is a deficient number, since it is larger than the sum of its proper divisors (94058337).

978004496863 is a wasteful number, since it uses less digits than its factorization.

978004496863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94058336.

The product of its (nonzero) digits is 62705664, while the sum is 64.

The spelling of 978004496863 in words is "nine hundred seventy-eight billion, four million, four hundred ninety-six thousand, eight hundred sixty-three".