82844379 has 12 divisors (see below), whose sum is σ = 119743000. Its totient is φ = 55193184.

The previous prime is 82844357. The next prime is 82844401. The reversal of 82844379 is 97344828.

It is an interprime number because it is at equal distance from previous prime (82844357) and next prime (82844401).

It is not a de Polignac number, because 82844379 - 2⁹ = 82843867 is a prime.

It is a super-2 number, since 2×82844379² = 13726382263791282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82844779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25647 + ... + 28695.

Almost surely, 2^82844379 is an apocalyptic number.

82844379 is a deficient number, since it is larger than the sum of its proper divisors (36898621).

82844379 is a wasteful number, since it uses less digits than its factorization.

82844379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6074 (or 6071 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 82844379 is about 9101.8887600322. Note that the first 3 decimals coincide. The cubic root of 82844379 is about 435.9342741735.

The spelling of 82844379 in words is "eighty-two million, eight hundred forty-four thousand, three hundred seventy-nine".