82792081 has 2 divisors, whose sum is σ = 82792082. Its totient is φ = 82792080.

The previous prime is 82792069. The next prime is 82792097. The reversal of 82792081 is 18029728.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79121025 + 3671056 = 8895^2 + 1916^2 .

It is a cyclic number.

It is not a de Polignac number, because 82792081 - 2⁷ = 82791953 is a prime.

It is a super-2 number, since 2×82792081² = 13709057352621122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 82792081.

It is not a weakly prime, because it can be changed into another prime (82792181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41396040 + 41396041.

It is an arithmetic number, because the mean of its divisors is an integer number (41396041).

Almost surely, 2^82792081 is an apocalyptic number.

It is an amenable number.

82792081 is a deficient number, since it is larger than the sum of its proper divisors (1).

82792081 is an equidigital number, since it uses as much as digits as its factorization.

82792081 is an odious number, because the sum of its binary digits is odd.

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

The square root of 82792081 is about 9099.0153862932. The cubic root of 82792081 is about 435.8425226669.

The spelling of 82792081 in words is "eighty-two million, seven hundred ninety-two thousand, eighty-one".