82400060 has 12 divisors (see below), whose sum is σ = 173040168. Its totient is φ = 32960016.

The previous prime is 82400057. The next prime is 82400063. The reversal of 82400060 is 6000428.

It is an interprime number because it is at equal distance from previous prime (82400057) and next prime (82400063).

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 4120003 = 82400060 / (8 + 2 + 4 + 0 + 0 + 0 + 6 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82400063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2059982 + ... + 2060021.

It is an arithmetic number, because the mean of its divisors is an integer number (14420014).

Almost surely, 2^82400060 is an apocalyptic number.

It is an amenable number.

82400060 is an abundant number, since it is smaller than the sum of its proper divisors (90640108).

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

82400060 is a wasteful number, since it uses less digits than its factorization.

82400060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4120012 (or 4120010 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 82400060 is about 9077.4478792224. The cubic root of 82400060 is about 435.1535284032.

Adding to 82400060 its reverse (6000428), we get a palindrome (88400488).

The spelling of 82400060 in words is "eighty-two million, four hundred thousand, sixty".