82685437 has 8 divisors (see below), whose sum is σ = 87569856. Its totient is φ = 77908512.

The previous prime is 82685423. The next prime is 82685441. The reversal of 82685437 is 73458628.

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 82685437 - 2²³ = 74296829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82685393 and 82685402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82686437) 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, 25288 + ... + 28369.

It is an arithmetic number, because the mean of its divisors is an integer number (10946232).

Almost surely, 2^82685437 is an apocalyptic number.

It is an amenable number.

82685437 is a deficient number, since it is larger than the sum of its proper divisors (4884419).

82685437 is a wasteful number, since it uses less digits than its factorization.

82685437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53747.

The product of its digits is 322560, while the sum is 43.

The square root of 82685437 is about 9093.1533034476. The cubic root of 82685437 is about 435.6553068503.

The spelling of 82685437 in words is "eighty-two million, six hundred eighty-five thousand, four hundred thirty-seven".