83525427761 has 4 divisors (see below), whose sum is σ = 83526144000. Its totient is φ = 83524711524.

The previous prime is 83525427757. The next prime is 83525427773. The reversal of 83525427761 is 16772452538.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 83525427761 - 2² = 83525427757 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83525420761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138161 + ... + 431438.

It is an arithmetic number, because the mean of its divisors is an integer number (20881536000).

Almost surely, 2^83525427761 is an apocalyptic number.

It is an amenable number.

83525427761 is a deficient number, since it is larger than the sum of its proper divisors (716239).

83525427761 is a wasteful number, since it uses less digits than its factorization.

83525427761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716238.

The product of its digits is 2822400, while the sum is 50.

The spelling of 83525427761 in words is "eighty-three billion, five hundred twenty-five million, four hundred twenty-seven thousand, seven hundred sixty-one".