83974698940441 has 3 divisors (see below), whose sum is σ = 83974708104213. Its totient is φ = 83974689776670.

The previous prime is 83974698940427. The next prime is 83974698940463. The reversal of 83974698940441 is 14404989647938.

The square root of 83974698940441 is 9163771.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 83974698940441 - 2⁷ = 83974698940313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83974698940481) 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 2 ways as a sum of consecutive naturals, for example, 4581886 + ... + 13745656.

It is an arithmetic number, because the mean of its divisors is an integer number (27991569368071).

Almost surely, 2^{83974698940441} is an apocalyptic number.

83974698940441 is the 9163771-st square number.

83974698940441 is the 4581886-th centered octagonal number.

It is an amenable number.

83974698940441 is a deficient number, since it is larger than the sum of its proper divisors (9163772).

83974698940441 is an frugal number, since it uses more digits than its factorization.

83974698940441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18327542 (or 9163771 counting only the distinct ones).

The product of its (nonzero) digits is 1504935936, while the sum is 76.

The spelling of 83974698940441 in words is "eighty-three trillion, nine hundred seventy-four billion, six hundred ninety-eight million, nine hundred forty thousand, four hundred forty-one".