82650260 has 216 divisors, whose sum is σ = 240711912. Its totient is φ = 23654400.

The previous prime is 82650241. The next prime is 82650283. The reversal of 82650260 is 6205628.

It can be written as a sum of positive squares in 4 ways, for example, as 2869636 + 79780624 = 1694^2 + 8932^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2015840 + ... + 2015880.

It is an arithmetic number, because the mean of its divisors is an integer number (1114407).

Almost surely, 2^82650260 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 82650260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120355956).

82650260 is an abundant number, since it is smaller than the sum of its proper divisors (158061652).

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

82650260 is a wasteful number, since it uses less digits than its factorization.

82650260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 82650260 is about 9091.2188401776. The cubic root of 82650260 is about 435.5935175718.

Adding to 82650260 its reverse (6205628), we get a palindrome (88855888).

The spelling of 82650260 in words is "eighty-two million, six hundred fifty thousand, two hundred sixty".