82872446 has 4 divisors (see below), whose sum is σ = 124308672. Its totient is φ = 41436222.

The previous prime is 82872437. The next prime is 82872451. The reversal of 82872446 is 64427828.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 20718110 + ... + 20718113.

It is an arithmetic number, because the mean of its divisors is an integer number (31077168).

Almost surely, 2^82872446 is an apocalyptic number.

82872446 is a deficient number, since it is larger than the sum of its proper divisors (41436226).

82872446 is a wasteful number, since it uses less digits than its factorization.

82872446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41436225.

The product of its digits is 172032, while the sum is 41.

The square root of 82872446 is about 9103.4304523075. The cubic root of 82872446 is about 435.9834989406.

The spelling of 82872446 in words is "eighty-two million, eight hundred seventy-two thousand, four hundred forty-six".