82715011 has 4 divisors (see below), whose sum is σ = 82738800. Its totient is φ = 82691224.

The previous prime is 82714997. The next prime is 82715021. The reversal of 82715011 is 11051728.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82715011 - 2⁷ = 82714883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82715021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5551 + ... + 14008.

It is an arithmetic number, because the mean of its divisors is an integer number (20684700).

Almost surely, 2^82715011 is an apocalyptic number.

82715011 is a deficient number, since it is larger than the sum of its proper divisors (23789).

82715011 is a wasteful number, since it uses less digits than its factorization.

82715011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23788.

The product of its (nonzero) digits is 560, while the sum is 25.

The square root of 82715011 is about 9094.7793266247. The cubic root of 82715011 is about 435.7072407609.

Adding to 82715011 its reverse (11051728), we get a palindrome (93766739).

The spelling of 82715011 in words is "eighty-two million, seven hundred fifteen thousand, eleven".