972443344278 has 64 divisors (see below), whose sum is σ = 2315872124928. Its totient is φ = 266365424160.

The previous prime is 972443344267. The next prime is 972443344283. The reversal of 972443344278 is 872443344279.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3350800 + ... + 3629427.

It is an arithmetic number, because the mean of its divisors is an integer number (36185501952).

Almost surely, 2^972443344278 is an apocalyptic number.

972443344278 is an abundant number, since it is smaller than the sum of its proper divisors (1343428780650).

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

972443344278 is a wasteful number, since it uses less digits than its factorization.

972443344278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6980377.

The product of its digits is 32514048, while the sum is 57.

Subtracting from 972443344278 its reverse (872443344279), we obtain a palindrome (99999999999).

The spelling of 972443344278 in words is "nine hundred seventy-two billion, four hundred forty-three million, three hundred forty-four thousand, two hundred seventy-eight".