82086379 has 4 divisors (see below), whose sum is σ = 85655376. Its totient is φ = 78517384.

The previous prime is 82086377. The next prime is 82086397. The reversal of 82086379 is 97368028.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82086379 - 2¹ = 82086377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82086371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1784464 + ... + 1784509.

It is an arithmetic number, because the mean of its divisors is an integer number (21413844).

Almost surely, 2^82086379 is an apocalyptic number.

82086379 is a deficient number, since it is larger than the sum of its proper divisors (3568997).

82086379 is a wasteful number, since it uses less digits than its factorization.

82086379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3568996.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 82086379 is about 9060.1533651479. The cubic root of 82086379 is about 434.6006446226.

The spelling of 82086379 in words is "eighty-two million, eighty-six thousand, three hundred seventy-nine".