82203718 has 16 divisors (see below), whose sum is σ = 124762176. Its totient is φ = 40619520.

The previous prime is 82203643. The next prime is 82203727. The reversal of 82203718 is 81730228.

It is a self number, because there is not a number n which added to its sum of digits gives 82203718.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66163 + ... + 67393.

It is an arithmetic number, because the mean of its divisors is an integer number (7797636).

Almost surely, 2^82203718 is an apocalyptic number.

82203718 is a deficient number, since it is larger than the sum of its proper divisors (42558458).

82203718 is a wasteful number, since it uses less digits than its factorization.

82203718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599.

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

The square root of 82203718 is about 9066.6266053037. The cubic root of 82203718 is about 434.8076270975.

The spelling of 82203718 in words is "eighty-two million, two hundred three thousand, seven hundred eighteen".