82822776 has 48 divisors (see below), whose sum is σ = 219971640. Its totient is φ = 25981440.

The previous prime is 82822741. The next prime is 82822781. The reversal of 82822776 is 67722828.

It is a super-2 number, since 2×82822776² = 13719224448692352, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 966 + ... + 12906.

Almost surely, 2^82822776 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 82822776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109985820).

82822776 is an abundant number, since it is smaller than the sum of its proper divisors (137148864).

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

82822776 is a wasteful number, since it uses less digits than its factorization.

82822776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11984 (or 11963 counting only the distinct ones).

The product of its digits is 150528, while the sum is 42.

The square root of 82822776 is about 9100.7019509486. The cubic root of 82822776 is about 435.8963785957.

The spelling of 82822776 in words is "eighty-two million, eight hundred twenty-two thousand, seven hundred seventy-six".