82860451 has 2 divisors, whose sum is σ = 82860452. Its totient is φ = 82860450.

The previous prime is 82860413. The next prime is 82860457. The reversal of 82860451 is 15406828.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82860451 - 2⁹ = 82859939 is a prime.

It is not a weakly prime, because it can be changed into another prime (82860457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41430225 + 41430226.

It is an arithmetic number, because the mean of its divisors is an integer number (41430226).

Almost surely, 2^82860451 is an apocalyptic number.

82860451 is a deficient number, since it is larger than the sum of its proper divisors (1).

82860451 is an equidigital number, since it uses as much as digits as its factorization.

82860451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 82860451 is about 9102.7716108886. The cubic root of 82860451 is about 435.9624631012.

The spelling of 82860451 in words is "eighty-two million, eight hundred sixty thousand, four hundred fifty-one".