82271679 has 8 divisors (see below), whose sum is σ = 125366400. Its totient is φ = 47012376.

The previous prime is 82271677. The next prime is 82271681. The reversal of 82271679 is 97617228.

It is an interprime number because it is at equal distance from previous prime (82271677) and next prime (82271681).

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

It is not a de Polignac number, because 82271679 - 2¹ = 82271677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82271679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82271677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1958829 + ... + 1958870.

It is an arithmetic number, because the mean of its divisors is an integer number (15670800).

Almost surely, 2^82271679 is an apocalyptic number.

82271679 is a deficient number, since it is larger than the sum of its proper divisors (43094721).

82271679 is a wasteful number, since it uses less digits than its factorization.

82271679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3917709.

The product of its digits is 84672, while the sum is 42.

The square root of 82271679 is about 9070.3736968220. The cubic root of 82271679 is about 434.9274181979.

The spelling of 82271679 in words is "eighty-two million, two hundred seventy-one thousand, six hundred seventy-nine".