82478522 has 8 divisors (see below), whose sum is σ = 141391776. Its totient is φ = 35347932.

The previous prime is 82478497. The next prime is 82478551. The reversal of 82478522 is 22587428.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 2945648 + ... + 2945675.

It is an arithmetic number, because the mean of its divisors is an integer number (17673972).

Almost surely, 2^82478522 is an apocalyptic number.

82478522 is a deficient number, since it is larger than the sum of its proper divisors (58913254).

82478522 is a wasteful number, since it uses less digits than its factorization.

82478522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5891332.

The product of its digits is 71680, while the sum is 38.

The square root of 82478522 is about 9081.7686603436. The cubic root of 82478522 is about 435.2916034838.

The spelling of 82478522 in words is "eighty-two million, four hundred seventy-eight thousand, five hundred twenty-two".