82130711 has 8 divisors (see below), whose sum is σ = 93103920. Its totient is φ = 71822592.

The previous prime is 82130701. The next prime is 82130717. The reversal of 82130711 is 11703128.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82130711 - 2¹⁰ = 82129687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82130717) 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, 166010 + ... + 166503.

It is an arithmetic number, because the mean of its divisors is an integer number (11637990).

Almost surely, 2^82130711 is an apocalyptic number.

82130711 is a deficient number, since it is larger than the sum of its proper divisors (10973209).

82130711 is a wasteful number, since it uses less digits than its factorization.

82130711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332545.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 82130711 is about 9062.5995718668. The cubic root of 82130711 is about 434.6788681096.

Adding to 82130711 its reverse (11703128), we get a palindrome (93833839).

The spelling of 82130711 in words is "eighty-two million, one hundred thirty thousand, seven hundred eleven".