82851386 has 8 divisors (see below), whose sum is σ = 125558580. Its totient is φ = 40998528.

The previous prime is 82851383. The next prime is 82851389. The reversal of 82851386 is 68315828.

It is an interprime number because it is at equal distance from previous prime (82851383) and next prime (82851389).

It can be written as a sum of positive squares in 2 ways, for example, as 72165025 + 10686361 = 8495^2 + 3269^2 .

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

It is not an unprimeable number, because it can be changed into a prime (82851383) 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 3 ways as a sum of consecutive naturals, for example, 213341 + ... + 213728.

Almost surely, 2^82851386 is an apocalyptic number.

82851386 is a deficient number, since it is larger than the sum of its proper divisors (42707194).

82851386 is a wasteful number, since it uses less digits than its factorization.

82851386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427168.

The product of its digits is 92160, while the sum is 41.

The square root of 82851386 is about 9102.2736720009. The cubic root of 82851386 is about 435.9465643067.

The spelling of 82851386 in words is "eighty-two million, eight hundred fifty-one thousand, three hundred eighty-six".