82769686 has 16 divisors (see below), whose sum is σ = 130053600. Its totient is φ = 39432448.

The previous prime is 82769657. The next prime is 82769689. The reversal of 82769686 is 68696728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82769689) 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 7 ways as a sum of consecutive naturals, for example, 9030 + ... + 15718.

It is an arithmetic number, because the mean of its divisors is an integer number (8128350).

Almost surely, 2^82769686 is an apocalyptic number.

82769686 is a deficient number, since it is larger than the sum of its proper divisors (47283914).

82769686 is a wasteful number, since it uses less digits than its factorization.

82769686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6983.

The product of its digits is 1741824, while the sum is 52.

The square root of 82769686 is about 9097.7846754031. The cubic root of 82769686 is about 435.8032211082.

The spelling of 82769686 in words is "eighty-two million, seven hundred sixty-nine thousand, six hundred eighty-six".