82402118 has 4 divisors (see below), whose sum is σ = 123603180. Its totient is φ = 41201058.

The previous prime is 82402109. The next prime is 82402129. The reversal of 82402118 is 81120428.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20600528 + ... + 20600531.

It is an arithmetic number, because the mean of its divisors is an integer number (30900795).

Almost surely, 2^82402118 is an apocalyptic number.

82402118 is a deficient number, since it is larger than the sum of its proper divisors (41201062).

82402118 is a wasteful number, since it uses less digits than its factorization.

82402118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41201061.

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 82402118 is about 9077.5612363674. The cubic root of 82402118 is about 435.1571511291.

The spelling of 82402118 in words is "eighty-two million, four hundred two thousand, one hundred eighteen".