83984619601 has 9 divisors (see below), whose sum is σ = 84508626601. Its totient is φ = 83463847204.

The previous prime is 83984619583. The next prime is 83984619613. The reversal of 83984619601 is 10691648938.

The square root of 83984619601 is 289801.

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

It is not a de Polignac number, because 83984619601 - 2⁵ = 83984619569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83984619001) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 51873570 + ... + 51875188.

Almost surely, 2^83984619601 is an apocalyptic number.

83984619601 is the 289801-st square number.

83984619601 is the 144901-st centered octagonal number.

It is an amenable number.

83984619601 is a deficient number, since it is larger than the sum of its proper divisors (524007000).

83984619601 is an frugal number, since it uses more digits than its factorization.

83984619601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3596 (or 1798 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 55.

The spelling of 83984619601 in words is "eighty-three billion, nine hundred eighty-four million, six hundred nineteen thousand, six hundred one".