82810628 has 6 divisors (see below), whose sum is σ = 144918606. Its totient is φ = 41405312.

The previous prime is 82810613. The next prime is 82810633. The reversal of 82810628 is 82601828.

It can be written as a sum of positive squares in only one way, i.e., 77757124 + 5053504 = 8818^2 + 2248^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10351325 + ... + 10351332.

It is an arithmetic number, because the mean of its divisors is an integer number (24153101).

Almost surely, 2^82810628 is an apocalyptic number.

It is an amenable number.

82810628 is a deficient number, since it is larger than the sum of its proper divisors (62107978).

82810628 is a wasteful number, since it uses less digits than its factorization.

82810628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20702661 (or 20702659 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 82810628 is about 9100.0345054291. The cubic root of 82810628 is about 435.8750659070.

It can be divided in two parts, 82810 and 628, that added together give a palindrome (83438).

The spelling of 82810628 in words is "eighty-two million, eight hundred ten thousand, six hundred twenty-eight".