82278608 has 20 divisors (see below), whose sum is σ = 163123488. Its totient is φ = 40182240.

The previous prime is 82278593. The next prime is 82278641. The reversal of 82278608 is 80687228.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 59108 + ... + 60483.

Almost surely, 2^82278608 is an apocalyptic number.

It is an amenable number.

82278608 is a deficient number, since it is larger than the sum of its proper divisors (80844880).

82278608 is a wasteful number, since it uses less digits than its factorization.

82278608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119642 (or 119636 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 82278608 is about 9070.7556465820. The cubic root of 82278608 is about 434.9396278571.

The spelling of 82278608 in words is "eighty-two million, two hundred seventy-eight thousand, six hundred eight".