82278834 has 32 divisors (see below), whose sum is σ = 179953920. Its totient is φ = 24872400.

The previous prime is 82278821. The next prime is 82278839. The reversal of 82278834 is 43887228.

It is not an unprimeable number, because it can be changed into a prime (82278839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31137 + ... + 33675.

It is an arithmetic number, because the mean of its divisors is an integer number (5623560).

Almost surely, 2^82278834 is an apocalyptic number.

82278834 is an abundant number, since it is smaller than the sum of its proper divisors (97675086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82278834 is a wasteful number, since it uses less digits than its factorization.

82278834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3046.

The product of its digits is 172032, while the sum is 42.

The square root of 82278834 is about 9070.7681041905. The cubic root of 82278834 is about 434.9400260824.

The spelling of 82278834 in words is "eighty-two million, two hundred seventy-eight thousand, eight hundred thirty-four".