82862661 has 8 divisors (see below), whose sum is σ = 126266944. Its totient is φ = 47350080.

The previous prime is 82862627. The next prime is 82862687. The reversal of 82862661 is 16626828.

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

It is not a de Polignac number, because 82862661 - 2⁹ = 82862149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82862861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1972900 + ... + 1972941.

It is an arithmetic number, because the mean of its divisors is an integer number (15783368).

Almost surely, 2^82862661 is an apocalyptic number.

It is an amenable number.

82862661 is a deficient number, since it is larger than the sum of its proper divisors (43404283).

82862661 is a wasteful number, since it uses less digits than its factorization.

82862661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3945851.

The product of its digits is 55296, while the sum is 39.

The square root of 82862661 is about 9102.8930016781. The cubic root of 82862661 is about 435.9663389691.

The spelling of 82862661 in words is "eighty-two million, eight hundred sixty-two thousand, six hundred sixty-one".