82737805725 has 48 divisors (see below), whose sum is σ = 156895434240. Its totient is φ = 42703372800.

The previous prime is 82737805721. The next prime is 82737805751. The reversal of 82737805725 is 52750873728.

It is not a de Polignac number, because 82737805725 - 2² = 82737805721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82737805721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1956084 + ... + 1997933.

It is an arithmetic number, because the mean of its divisors is an integer number (3268654880).

Almost surely, 2^82737805725 is an apocalyptic number.

It is an amenable number.

82737805725 is a deficient number, since it is larger than the sum of its proper divisors (74157628515).

82737805725 is a wasteful number, since it uses less digits than its factorization.

82737805725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3954067 (or 3954056 counting only the distinct ones).

The product of its (nonzero) digits is 6585600, while the sum is 54.

The spelling of 82737805725 in words is "eighty-two billion, seven hundred thirty-seven million, eight hundred five thousand, seven hundred twenty-five".