82310878 has 16 divisors (see below), whose sum is σ = 133862400. Its totient is φ = 37732896.

The previous prime is 82310873. The next prime is 82310909. The reversal of 82310878 is 87801328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82310873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6750 + ... + 14497.

It is an arithmetic number, because the mean of its divisors is an integer number (8366400).

Almost surely, 2^82310878 is an apocalyptic number.

82310878 is a deficient number, since it is larger than the sum of its proper divisors (51551522).

82310878 is a wasteful number, since it uses less digits than its factorization.

82310878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21411.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 82310878 is about 9072.5342655732. The cubic root of 82310878 is about 434.9964821136.

The spelling of 82310878 in words is "eighty-two million, three hundred ten thousand, eight hundred seventy-eight".