82455783 has 4 divisors (see below), whose sum is σ = 109941048. Its totient is φ = 54970520.

The previous prime is 82455743. The next prime is 82455803. The reversal of 82455783 is 38755428.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82455783 - 2²¹ = 80358631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82455733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13742628 + ... + 13742633.

It is an arithmetic number, because the mean of its divisors is an integer number (27485262).

Almost surely, 2^82455783 is an apocalyptic number.

82455783 is a deficient number, since it is larger than the sum of its proper divisors (27485265).

82455783 is a wasteful number, since it uses less digits than its factorization.

82455783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27485264.

The product of its digits is 268800, while the sum is 42.

The square root of 82455783 is about 9080.5166703222. The cubic root of 82455783 is about 435.2515970866.

It can be divided in two parts, 82455 and 783, that added together give a palindrome (83238).

The spelling of 82455783 in words is "eighty-two million, four hundred fifty-five thousand, seven hundred eighty-three".