83847151062481 has 9 divisors (see below), whose sum is σ = 84870298155369. Its totient is φ = 82836193564836.

The previous prime is 83847151062461. The next prime is 83847151062517. The reversal of 83847151062481 is 18426015174838.

The square root of 83847151062481 is 9156809.

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

It is not a de Polignac number, because 83847151062481 - 2⁴⁵ = 48662778973649 is a prime.

It is a super-3 number, since 3×83847151062481³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83847151062431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 759959986 + ... + 760070308.

Almost surely, 2^{83847151062481} is an apocalyptic number.

83847151062481 is the 9156809-th square number.

83847151062481 is the 4578405-th centered octagonal number.

It is an amenable number.

83847151062481 is a deficient number, since it is larger than the sum of its proper divisors (1023147092888).

83847151062481 is an frugal number, since it uses more digits than its factorization.

83847151062481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220812 (or 110406 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 58.

The spelling of 83847151062481 in words is "eighty-three trillion, eight hundred forty-seven billion, one hundred fifty-one million, sixty-two thousand, four hundred eighty-one".