978283910994 has 16 divisors (see below), whose sum is σ = 2107073039232. Its totient is φ = 301010434128.

The previous prime is 978283910993. The next prime is 978283911029. The reversal of 978283910994 is 499019382879.

It is not an unprimeable number, because it can be changed into a prime (978283910993) 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, 6271050634 + ... + 6271050789.

It is an arithmetic number, because the mean of its divisors is an integer number (131692064952).

Almost surely, 2^978283910994 is an apocalyptic number.

978283910994 is an abundant number, since it is smaller than the sum of its proper divisors (1128789128238).

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

978283910994 is a wasteful number, since it uses less digits than its factorization.

978283910994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12542101441.

The product of its (nonzero) digits is 70543872, while the sum is 69.

The spelling of 978283910994 in words is "nine hundred seventy-eight billion, two hundred eighty-three million, nine hundred ten thousand, nine hundred ninety-four".