82800831 has 8 divisors (see below), whose sum is σ = 110925184. Its totient is φ = 54938520.

The previous prime is 82800821. The next prime is 82800847. The reversal of 82800831 is 13800828.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82800831 - 2¹⁰ = 82799807 is a prime.

It is a super-2 number, since 2×82800831² = 13711955228581122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82800821) 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, 64771 + ... + 66036.

It is an arithmetic number, because the mean of its divisors is an integer number (13865648).

Almost surely, 2^82800831 is an apocalyptic number.

82800831 is a deficient number, since it is larger than the sum of its proper divisors (28124353).

82800831 is a wasteful number, since it uses less digits than its factorization.

82800831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131021.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 82800831 is about 9099.4961948451. The cubic root of 82800831 is about 435.8578763404.

The spelling of 82800831 in words is "eighty-two million, eight hundred thousand, eight hundred thirty-one".