82862805 has 8 divisors (see below), whose sum is σ = 132580512. Its totient is φ = 44193488.

The previous prime is 82862753. The next prime is 82862807. The reversal of 82862805 is 50826828.

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 82862805 - 2¹² = 82858709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82862807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2762079 + ... + 2762108.

It is an arithmetic number, because the mean of its divisors is an integer number (16572564).

Almost surely, 2^82862805 is an apocalyptic number.

It is an amenable number.

82862805 is a deficient number, since it is larger than the sum of its proper divisors (49717707).

82862805 is a wasteful number, since it uses less digits than its factorization.

82862805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5524195.

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 82862805 is about 9102.9009112480. The cubic root of 82862805 is about 435.9665915119.

The spelling of 82862805 in words is "eighty-two million, eight hundred sixty-two thousand, eight hundred five".