82753639 has 2 divisors, whose sum is σ = 82753640. Its totient is φ = 82753638.

The previous prime is 82753613. The next prime is 82753651. The reversal of 82753639 is 93635728.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82753639 - 2¹³ = 82745447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82753595 and 82753604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82753439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41376819 + 41376820.

It is an arithmetic number, because the mean of its divisors is an integer number (41376820).

Almost surely, 2^82753639 is an apocalyptic number.

82753639 is a deficient number, since it is larger than the sum of its proper divisors (1).

82753639 is an equidigital number, since it uses as much as digits as its factorization.

82753639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 43.

The square root of 82753639 is about 9096.9027146606. The cubic root of 82753639 is about 435.7750554571.

The spelling of 82753639 in words is "eighty-two million, seven hundred fifty-three thousand, six hundred thirty-nine".