83280853 has 2 divisors, whose sum is σ = 83280854. Its totient is φ = 83280852.

The previous prime is 83280839. The next prime is 83280889. The reversal of 83280853 is 35808238.

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., 69605649 + 13675204 = 8343^2 + 3698^2 .

It is a cyclic number.

It is not a de Polignac number, because 83280853 - 2¹³ = 83272661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83280653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41640426 + 41640427.

It is an arithmetic number, because the mean of its divisors is an integer number (41640427).

Almost surely, 2^83280853 is an apocalyptic number.

It is an amenable number.

83280853 is a deficient number, since it is larger than the sum of its proper divisors (1).

83280853 is an equidigital number, since it uses as much as digits as its factorization.

83280853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 83280853 is about 9125.8343728122. The cubic root of 83280853 is about 436.6985215254.

The spelling of 83280853 in words is "eighty-three million, two hundred eighty thousand, eight hundred fifty-three".