82647008 has 12 divisors (see below), whose sum is σ = 162711360. Its totient is φ = 41323488.

The previous prime is 82646969. The next prime is 82647029. The reversal of 82647008 is 80074628.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1291328 + ... + 1291391.

It is an arithmetic number, because the mean of its divisors is an integer number (13559280).

Almost surely, 2^82647008 is an apocalyptic number.

It is an amenable number.

82647008 is a deficient number, since it is larger than the sum of its proper divisors (80064352).

82647008 is a wasteful number, since it uses less digits than its factorization.

82647008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2582729 (or 2582721 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 82647008 is about 9091.0399845122. The cubic root of 82647008 is about 435.5878044674.

The spelling of 82647008 in words is "eighty-two million, six hundred forty-seven thousand, eight".