82321078 has 48 divisors (see below), whose sum is σ = 150025824. Its totient is φ = 33747840.

The previous prime is 82321067. The next prime is 82321097. The reversal of 82321078 is 87012328.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 264543 + ... + 264853.

It is an arithmetic number, because the mean of its divisors is an integer number (3125538).

Almost surely, 2^82321078 is an apocalyptic number.

82321078 is a deficient number, since it is larger than the sum of its proper divisors (67704746).

82321078 is a wasteful number, since it uses less digits than its factorization.

82321078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 82321078 is about 9073.0963843663. The cubic root of 82321078 is about 435.0144496896.

It can be divided in two parts, 82 and 321078, that multiplied together give a triangular number (26328396 = T₇₂₅₆).

The spelling of 82321078 in words is "eighty-two million, three hundred twenty-one thousand, seventy-eight".