83061305425720 has 32 divisors (see below), whose sum is σ = 187725999726720. Its totient is φ = 33075533278080.

The previous prime is 83061305425691. The next prime is 83061305425729. The reversal of 83061305425720 is 2752450316038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83061305425729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4655893851 + ... + 4655911690.

It is an arithmetic number, because the mean of its divisors is an integer number (5866437491460).

Almost surely, 2^{83061305425720} is an apocalyptic number.

It is an amenable number.

83061305425720 is an abundant number, since it is smaller than the sum of its proper divisors (104664694301000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83061305425720 is a wasteful number, since it uses less digits than its factorization.

83061305425720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9311805775 (or 9311805771 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 83061305425720 in words is "eighty-three trillion, sixty-one billion, three hundred five million, four hundred twenty-five thousand, seven hundred twenty".