82385377 has 4 divisors (see below), whose sum is σ = 84301360. Its totient is φ = 80469396.

The previous prime is 82385371. The next prime is 82385389. The reversal of 82385377 is 77358328.

82385377 is nontrivially palindromic in base 15.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82385377 - 2¹⁵ = 82352609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 1915939 = 82385377 / (8 + 2 + 3 + 8 + 5 + 3 + 7 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82385371) 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, 957927 + ... + 958012.

It is an arithmetic number, because the mean of its divisors is an integer number (21075340).

Almost surely, 2^82385377 is an apocalyptic number.

It is an amenable number.

82385377 is a deficient number, since it is larger than the sum of its proper divisors (1915983).

82385377 is a wasteful number, since it uses less digits than its factorization.

82385377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915982.

The product of its digits is 282240, while the sum is 43.

The square root of 82385377 is about 9076.6390806289. The cubic root of 82385377 is about 435.1276799640.

The spelling of 82385377 in words is "eighty-two million, three hundred eighty-five thousand, three hundred seventy-seven".