82688753 has 4 divisors (see below), whose sum is σ = 94501440. Its totient is φ = 70876068.

The previous prime is 82688719. The next prime is 82688783. The reversal of 82688753 is 35788628.

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.

It is a cyclic number.

It is not a de Polignac number, because 82688753 - 2⁶ = 82688689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82688698 and 82688707.

It is not an unprimeable number, because it can be changed into a prime (82688713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5906333 + ... + 5906346.

It is an arithmetic number, because the mean of its divisors is an integer number (23625360).

Almost surely, 2^82688753 is an apocalyptic number.

It is an amenable number.

82688753 is a deficient number, since it is larger than the sum of its proper divisors (11812687).

82688753 is a wasteful number, since it uses less digits than its factorization.

82688753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11812686.

The product of its digits is 645120, while the sum is 47.

The square root of 82688753 is about 9093.3356366077. The cubic root of 82688753 is about 435.6611305832.

The spelling of 82688753 in words is "eighty-two million, six hundred eighty-eight thousand, seven hundred fifty-three".