82798461 has 12 divisors (see below), whose sum is σ = 120066492. Its totient is φ = 54982656.

The previous prime is 82798453. The next prime is 82798481. The reversal of 82798461 is 16489728.

It can be written as a sum of positive squares in 2 ways, for example, as 47692836 + 35105625 = 6906^2 + 5925^2 .

It is not a de Polignac number, because 82798461 - 2³ = 82798453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82798421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15586 + ... + 20211.

It is an arithmetic number, because the mean of its divisors is an integer number (10005541).

Almost surely, 2^82798461 is an apocalyptic number.

It is an amenable number.

82798461 is a deficient number, since it is larger than the sum of its proper divisors (37268031).

82798461 is a wasteful number, since it uses less digits than its factorization.

82798461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36060 (or 36057 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 82798461 is about 9099.3659669232. The cubic root of 82798461 is about 435.8537177951.

The spelling of 82798461 in words is "eighty-two million, seven hundred ninety-eight thousand, four hundred sixty-one".