82647308 has 12 divisors (see below), whose sum is σ = 148160712. Its totient is φ = 40315680.

The previous prime is 82647277. The next prime is 82647311. The reversal of 82647308 is 80374628.

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, 251810 + ... + 252137.

It is an arithmetic number, because the mean of its divisors is an integer number (12346726).

Almost surely, 2^82647308 is an apocalyptic number.

It is an amenable number.

82647308 is a deficient number, since it is larger than the sum of its proper divisors (65513404).

82647308 is a wasteful number, since it uses less digits than its factorization.

82647308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503992 (or 503990 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 82647308 is about 9091.0564842597. The cubic root of 82647308 is about 435.5883315128.

The spelling of 82647308 in words is "eighty-two million, six hundred forty-seven thousand, three hundred eight".