82541478 has 16 divisors (see below), whose sum is σ = 165669696. Its totient is φ = 27416040.

The previous prime is 82541441. The next prime is 82541483. The reversal of 82541478 is 87414528.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22608 + ... + 26003.

It is an arithmetic number, because the mean of its divisors is an integer number (10354356).

Almost surely, 2^82541478 is an apocalyptic number.

82541478 is an abundant number, since it is smaller than the sum of its proper divisors (83128218).

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

82541478 is a wasteful number, since it uses less digits than its factorization.

82541478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48899.

The product of its digits is 71680, while the sum is 39.

The square root of 82541478 is about 9085.2340641285. The cubic root of 82541478 is about 435.4023282637.

The spelling of 82541478 in words is "eighty-two million, five hundred forty-one thousand, four hundred seventy-eight".