82747601 has 2 divisors, whose sum is σ = 82747602. Its totient is φ = 82747600.

The previous prime is 82747579. The next prime is 82747627. The reversal of 82747601 is 10674728.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77457601 + 5290000 = 8801^2 + 2300^2 .

It is a cyclic number.

It is not a de Polignac number, because 82747601 - 2²⁶ = 15638737 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82747501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41373800 + 41373801.

It is an arithmetic number, because the mean of its divisors is an integer number (41373801).

Almost surely, 2^82747601 is an apocalyptic number.

It is an amenable number.

82747601 is a deficient number, since it is larger than the sum of its proper divisors (1).

82747601 is an equidigital number, since it uses as much as digits as its factorization.

82747601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 82747601 is about 9096.5708374090. The cubic root of 82747601 is about 435.7644566330.

The spelling of 82747601 in words is "eighty-two million, seven hundred forty-seven thousand, six hundred one".