82486511 has 4 divisors (see below), whose sum is σ = 82515624. Its totient is φ = 82457400.

The previous prime is 82486483. The next prime is 82486517. The reversal of 82486511 is 11568428.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82486511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82486517) 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, 9785 + ... + 16146.

It is an arithmetic number, because the mean of its divisors is an integer number (20628906).

Almost surely, 2^82486511 is an apocalyptic number.

82486511 is a deficient number, since it is larger than the sum of its proper divisors (29113).

82486511 is a wasteful number, since it uses less digits than its factorization.

82486511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29112.

The product of its digits is 15360, while the sum is 35.

The square root of 82486511 is about 9082.2084869265. The cubic root of 82486511 is about 435.3056573743.

The spelling of 82486511 in words is "eighty-two million, four hundred eighty-six thousand, five hundred eleven".