82478302 has 8 divisors (see below), whose sum is σ = 123769800. Its totient is φ = 41221704.

The previous prime is 82478293. The next prime is 82478303. The reversal of 82478302 is 20387428.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82478303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1677 + ... + 12952.

It is an arithmetic number, because the mean of its divisors is an integer number (15471225).

Almost surely, 2^82478302 is an apocalyptic number.

82478302 is a deficient number, since it is larger than the sum of its proper divisors (41291498).

82478302 is a wasteful number, since it uses less digits than its factorization.

82478302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17450.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 82478302 is about 9081.7565481574. The cubic root of 82478302 is about 435.2912164568.

The spelling of 82478302 in words is "eighty-two million, four hundred seventy-eight thousand, three hundred two".