82758413 has 2 divisors, whose sum is σ = 82758414. Its totient is φ = 82758412.

The previous prime is 82758409. The next prime is 82758451. The reversal of 82758413 is 31485728.

It is an a-pointer prime, because the next prime (82758451) can be obtained adding 82758413 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49603849 + 33154564 = 7043^2 + 5758^2 .

It is a cyclic number.

It is not a de Polignac number, because 82758413 - 2² = 82758409 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82758463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41379206 + 41379207.

It is an arithmetic number, because the mean of its divisors is an integer number (41379207).

Almost surely, 2^82758413 is an apocalyptic number.

It is an amenable number.

82758413 is a deficient number, since it is larger than the sum of its proper divisors (1).

82758413 is an equidigital number, since it uses as much as digits as its factorization.

82758413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 38.

The square root of 82758413 is about 9097.1651078784. The cubic root of 82758413 is about 435.7834351495.

The spelling of 82758413 in words is "eighty-two million, seven hundred fifty-eight thousand, four hundred thirteen".