984051426856 has 8 divisors (see below), whose sum is σ = 1845096425370. Its totient is φ = 492025713424.

The previous prime is 984051426817. The next prime is 984051426857. The reversal of 984051426856 is 658624150489.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 973517688900 + 10533737956 = 986670^2 + 102634^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 984051426856.

It is not an unprimeable number, because it can be changed into a prime (984051426857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61503214171 + ... + 61503214186.

Almost surely, 2^984051426856 is an apocalyptic number.

It is an amenable number.

984051426856 is a deficient number, since it is larger than the sum of its proper divisors (861044998514).

984051426856 is a wasteful number, since it uses less digits than its factorization.

984051426856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123006428363 (or 123006428359 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 58.

The spelling of 984051426856 in words is "nine hundred eighty-four billion, fifty-one million, four hundred twenty-six thousand, eight hundred fifty-six".