82400718 has 16 divisors (see below), whose sum is σ = 164964096. Its totient is φ = 27439800.

The previous prime is 82400671. The next prime is 82400719. The reversal of 82400718 is 81700428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82400719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393 + ... + 12843.

It is an arithmetic number, because the mean of its divisors is an integer number (10310256).

Almost surely, 2^82400718 is an apocalyptic number.

82400718 is an abundant number, since it is smaller than the sum of its proper divisors (82563378).

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

82400718 is a wasteful number, since it uses less digits than its factorization.

82400718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13559.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 82400718 is about 9077.4841228173. The cubic root of 82400718 is about 435.1546866962.

The spelling of 82400718 in words is "eighty-two million, four hundred thousand, seven hundred eighteen".