82809148 has 12 divisors (see below), whose sum is σ = 145550440. Its totient is φ = 41223312.

The previous prime is 82809137. The next prime is 82809151. The reversal of 82809148 is 84190828.

It is a self number, because there is not a number n which added to its sum of digits gives 82809148.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44286 + ... + 46117.

Almost surely, 2^82809148 is an apocalyptic number.

It is an amenable number.

82809148 is a deficient number, since it is larger than the sum of its proper divisors (62741292).

82809148 is a wasteful number, since it uses less digits than its factorization.

82809148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90636 (or 90634 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 40.

The square root of 82809148 is about 9099.9531866928. The cubic root of 82809148 is about 435.8724692237.

The spelling of 82809148 in words is "eighty-two million, eight hundred nine thousand, one hundred forty-eight".