985478223970 has 16 divisors (see below), whose sum is σ = 1779564541248. Its totient is φ = 392923792240.

The previous prime is 985478223959. The next prime is 985478223973. The reversal of 985478223970 is 79322874589.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (985478223973) 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, 158433904 + ... + 158440123.

It is an arithmetic number, because the mean of its divisors is an integer number (111222783828).

Almost surely, 2^985478223970 is an apocalyptic number.

985478223970 is a deficient number, since it is larger than the sum of its proper divisors (794086317278).

985478223970 is a wasteful number, since it uses less digits than its factorization.

985478223970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316874345.

The product of its (nonzero) digits is 60963840, while the sum is 64.

The spelling of 985478223970 in words is "nine hundred eighty-five billion, four hundred seventy-eight million, two hundred twenty-three thousand, nine hundred seventy".