82425776 has 40 divisors (see below), whose sum is σ = 166191744. Its totient is φ = 39559680.

The previous prime is 82425769. The next prime is 82425779. The reversal of 82425776 is 67752428.

It is not an unprimeable number, because it can be changed into a prime (82425779) 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, 67346 + ... + 68558.

Almost surely, 2^82425776 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 82425776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83095872).

82425776 is an abundant number, since it is smaller than the sum of its proper divisors (83765968).

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

82425776 is a wasteful number, since it uses less digits than its factorization.

82425776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389 (or 1383 counting only the distinct ones).

The product of its digits is 188160, while the sum is 41.

The square root of 82425776 is about 9078.8642461489. The cubic root of 82425776 is about 435.1987923031.

The spelling of 82425776 in words is "eighty-two million, four hundred twenty-five thousand, seven hundred seventy-six".