83953421527 has 8 divisors (see below), whose sum is σ = 89283076400. Its totient is φ = 78714872064.

The previous prime is 83953421441. The next prime is 83953421623. The reversal of 83953421527 is 72512435938.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83953421527 - 2⁷ = 83953421399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83953421927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22774452 + ... + 22778137.

It is an arithmetic number, because the mean of its divisors is an integer number (11160384550).

Almost surely, 2^83953421527 is an apocalyptic number.

83953421527 is a deficient number, since it is larger than the sum of its proper divisors (5329654873).

83953421527 is a wasteful number, since it uses less digits than its factorization.

83953421527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45552705.

The product of its digits is 1814400, while the sum is 49.

The spelling of 83953421527 in words is "eighty-three billion, nine hundred fifty-three million, four hundred twenty-one thousand, five hundred twenty-seven".