82791802 has 8 divisors (see below), whose sum is σ = 131492916. Its totient is φ = 38960832.

The previous prime is 82791773. The next prime is 82791817. The reversal of 82791802 is 20819728.

It is a Cunningham number, because it is equal to 9099²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 82791801 + 1 = 9099^2 + 1^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1217493 + ... + 1217560.

Almost surely, 2^82791802 is an apocalyptic number.

82791802 is a deficient number, since it is larger than the sum of its proper divisors (48701114).

82791802 is a wasteful number, since it uses less digits than its factorization.

82791802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2435072.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 82791802 is about 9099.0000549511. Note that the first 4 decimals coincide. The cubic root of 82791802 is about 435.8420330863.

It can be divided in two parts, 827 and 91802, that added together give a palindrome (92629).

The spelling of 82791802 in words is "eighty-two million, seven hundred ninety-one thousand, eight hundred two".