84905800996 has 27 divisors (see below), whose sum is σ = 150365260339. Its totient is φ = 41950259648.

The previous prime is 84905800981. The next prime is 84905801053. The reversal of 84905800996 is 69900850948.

The square root of 84905800996 is 291386.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 55549776100 + 29356024896 = 235690^2 + 171336^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84905800996.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 51865890 + ... + 51867526.

Almost surely, 2^84905800996 is an apocalyptic number.

84905800996 is the 291386-th square number.

It is an amenable number.

84905800996 is a deficient number, since it is larger than the sum of its proper divisors (65459459343).

84905800996 is an frugal number, since it uses more digits than its factorization.

84905800996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3456 (or 1728 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 58.

The spelling of 84905800996 in words is "eighty-four billion, nine hundred five million, eight hundred thousand, nine hundred ninety-six".