82076280 has 128 divisors (see below), whose sum is σ = 289336320. Its totient is φ = 18362880.

The previous prime is 82076263. The next prime is 82076287. The reversal of 82076280 is 8267028.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82076287) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14769 + ... + 19551.

It is an arithmetic number, because the mean of its divisors is an integer number (2260440).

Almost surely, 2^82076280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82076280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144668160).

82076280 is an abundant number, since it is smaller than the sum of its proper divisors (207260040).

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

82076280 is a wasteful number, since it uses less digits than its factorization.

82076280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821 (or 4817 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 82076280 is about 9059.5960174833. The cubic root of 82076280 is about 434.5828210731.

The spelling of 82076280 in words is "eighty-two million, seventy-six thousand, two hundred eighty".