82428793 has 2 divisors, whose sum is σ = 82428794. Its totient is φ = 82428792.

The previous prime is 82428763. The next prime is 82428839. The reversal of 82428793 is 39782428.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82391929 + 36864 = 9077^2 + 192^2 .

It is a cyclic number.

It is not a de Polignac number, because 82428793 - 2¹³ = 82420601 is a prime.

It is not a weakly prime, because it can be changed into another prime (82428763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41214396 + 41214397.

It is an arithmetic number, because the mean of its divisors is an integer number (41214397).

Almost surely, 2^82428793 is an apocalyptic number.

It is an amenable number.

82428793 is a deficient number, since it is larger than the sum of its proper divisors (1).

82428793 is an equidigital number, since it uses as much as digits as its factorization.

82428793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 43.

The square root of 82428793 is about 9079.0303997729. The cubic root of 82428793 is about 435.2041020448.

The spelling of 82428793 in words is "eighty-two million, four hundred twenty-eight thousand, seven hundred ninety-three".