82835557 has 4 divisors (see below), whose sum is σ = 94669216. Its totient is φ = 71001900.

The previous prime is 82835537. The next prime is 82835569. The reversal of 82835557 is 75553828.

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 a de Polignac number, because none of the positive numbers 2^k-82835557 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 (82835527) 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 3 ways as a sum of consecutive naturals, for example, 5916819 + ... + 5916832.

It is an arithmetic number, because the mean of its divisors is an integer number (23667304).

Almost surely, 2^82835557 is an apocalyptic number.

It is an amenable number.

82835557 is a deficient number, since it is larger than the sum of its proper divisors (11833659).

82835557 is a wasteful number, since it uses less digits than its factorization.

82835557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11833658.

The product of its digits is 336000, while the sum is 43.

The square root of 82835557 is about 9101.4041224418. The cubic root of 82835557 is about 435.9187995824.

The spelling of 82835557 in words is "eighty-two million, eight hundred thirty-five thousand, five hundred fifty-seven".