82619071 has 8 divisors (see below), whose sum is σ = 84845264. Its totient is φ = 80421120.

The previous prime is 82619041. The next prime is 82619077. The reversal of 82619071 is 17091628.

It is a happy number.

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 82619071 - 2⁹ = 82618559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82619077) 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, 1065 + ... + 12898.

It is an arithmetic number, because the mean of its divisors is an integer number (10605658).

Almost surely, 2^82619071 is an apocalyptic number.

82619071 is a deficient number, since it is larger than the sum of its proper divisors (2226193).

82619071 is a wasteful number, since it uses less digits than its factorization.

82619071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14121.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 82619071 is about 9089.5033417674. The cubic root of 82619071 is about 435.5387186497.

The spelling of 82619071 in words is "eighty-two million, six hundred nineteen thousand, seventy-one".