973988442972 has 24 divisors (see below), whose sum is σ = 2525155222800. Its totient is φ = 324662814288.

The previous prime is 973988442971. The next prime is 973988442979. The reversal of 973988442972 is 279244889379.

973988442972 is a `hidden beast` number, since 9 + 7 + 3 + 98 + 8 + 442 + 97 + 2 = 666.

973988442972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 973988442972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (973988442971) 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, 4509205647 + ... + 4509205862.

It is an arithmetic number, because the mean of its divisors is an integer number (105214800950).

Almost surely, 2^973988442972 is an apocalyptic number.

It is an amenable number.

973988442972 is an abundant number, since it is smaller than the sum of its proper divisors (1551166779828).

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

973988442972 is a wasteful number, since it uses less digits than its factorization.

973988442972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9018411522 (or 9018411514 counting only the distinct ones).

The product of its digits is 438939648, while the sum is 72.

The spelling of 973988442972 in words is "nine hundred seventy-three billion, nine hundred eighty-eight million, four hundred forty-two thousand, nine hundred seventy-two".