82661848 has 32 divisors (see below), whose sum is σ = 160876800. Its totient is φ = 39785472.

The previous prime is 82661833. The next prime is 82661849. The reversal of 82661848 is 84816628.

It is a super-2 number, since 2×82661848² = 13665962229550208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82661849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27273 + ... + 30151.

It is an arithmetic number, because the mean of its divisors is an integer number (5027400).

Almost surely, 2^82661848 is an apocalyptic number.

It is an amenable number.

82661848 is a deficient number, since it is larger than the sum of its proper divisors (78214952).

82661848 is a wasteful number, since it uses less digits than its factorization.

82661848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3019 (or 3015 counting only the distinct ones).

The product of its digits is 147456, while the sum is 43.

The square root of 82661848 is about 9091.8561361253. The cubic root of 82661848 is about 435.6138741192.

The spelling of 82661848 in words is "eighty-two million, six hundred sixty-one thousand, eight hundred forty-eight".