83278382 has 32 divisors (see below), whose sum is σ = 140434560. Its totient is φ = 36716320.

The previous prime is 83278373. The next prime is 83278411. The reversal of 83278382 is 28387238.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107348 + ... + 108120.

It is an arithmetic number, because the mean of its divisors is an integer number (4388580).

Almost surely, 2^83278382 is an apocalyptic number.

83278382 is a deficient number, since it is larger than the sum of its proper divisors (57156178).

83278382 is a wasteful number, since it uses less digits than its factorization.

83278382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928.

The product of its digits is 129024, while the sum is 41.

The square root of 83278382 is about 9125.6989869270. The cubic root of 83278382 is about 436.6942024345.

The spelling of 83278382 in words is "eighty-three million, two hundred seventy-eight thousand, three hundred eighty-two".