82478330 has 16 divisors (see below), whose sum is σ = 161957664. Its totient is φ = 29992080.

The previous prime is 82478329. The next prime is 82478351. The reversal of 82478330 is 3387428.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374792 + ... + 375011.

It is an arithmetic number, because the mean of its divisors is an integer number (10122354).

Almost surely, 2^82478330 is an apocalyptic number.

82478330 is a deficient number, since it is larger than the sum of its proper divisors (79479334).

82478330 is a wasteful number, since it uses less digits than its factorization.

82478330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749821.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 82478330 is about 9081.7580897093. The cubic root of 82478330 is about 435.2912657149.

The spelling of 82478330 in words is "eighty-two million, four hundred seventy-eight thousand, three hundred thirty".