82563718 has 8 divisors (see below), whose sum is σ = 126182448. Its totient is φ = 40502904.

The previous prime is 82563641. The next prime is 82563727. The reversal of 82563718 is 81736528.

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

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, 389346 + ... + 389557.

It is an arithmetic number, because the mean of its divisors is an integer number (15772806).

Almost surely, 2^82563718 is an apocalyptic number.

82563718 is a deficient number, since it is larger than the sum of its proper divisors (43618730).

82563718 is a wasteful number, since it uses less digits than its factorization.

82563718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778958.

The product of its digits is 80640, while the sum is 40.

The square root of 82563718 is about 9086.4579457564. The cubic root of 82563718 is about 435.4414297290.

The spelling of 82563718 in words is "eighty-two million, five hundred sixty-three thousand, seven hundred eighteen".