978838823095 has 8 divisors (see below), whose sum is σ = 1342407528864. Its totient is φ = 671203764384.

The previous prime is 978838823069. The next prime is 978838823129. The reversal of 978838823095 is 590328838879.

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

It is a cyclic number.

It is not a de Polignac number, because 978838823095 - 2⁷ = 978838822967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13983411724 + ... + 13983411793.

It is an arithmetic number, because the mean of its divisors is an integer number (167800941108).

Almost surely, 2^978838823095 is an apocalyptic number.

978838823095 is a deficient number, since it is larger than the sum of its proper divisors (363568705769).

978838823095 is a wasteful number, since it uses less digits than its factorization.

978838823095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27966823529.

The product of its (nonzero) digits is 209018880, while the sum is 70.

The spelling of 978838823095 in words is "nine hundred seventy-eight billion, eight hundred thirty-eight million, eight hundred twenty-three thousand, ninety-five".