82254478 has 8 divisors (see below), whose sum is σ = 126716472. Its totient is φ = 40015656.

The previous prime is 82254467. The next prime is 82254499. The reversal of 82254478 is 87445228.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 82254478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555700 + ... + 555847.

It is an arithmetic number, because the mean of its divisors is an integer number (15839559).

Almost surely, 2^82254478 is an apocalyptic number.

82254478 is a deficient number, since it is larger than the sum of its proper divisors (44461994).

82254478 is a wasteful number, since it uses less digits than its factorization.

82254478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111586.

The product of its digits is 143360, while the sum is 40.

The square root of 82254478 is about 9069.4254503800. The cubic root of 82254478 is about 434.8971051827.

The spelling of 82254478 in words is "eighty-two million, two hundred fifty-four thousand, four hundred seventy-eight".