82550783 has 8 divisors (see below), whose sum is σ = 95317152. Its totient is φ = 70027776.

The previous prime is 82550779. The next prime is 82550789. The reversal of 82550783 is 38705528.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82550783 - 2² = 82550779 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82550789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60110 + ... + 61467.

It is an arithmetic number, because the mean of its divisors is an integer number (11914644).

Almost surely, 2^82550783 is an apocalyptic number.

82550783 is a deficient number, since it is larger than the sum of its proper divisors (12766369).

82550783 is a wasteful number, since it uses less digits than its factorization.

82550783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121681.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 82550783 is about 9085.7461443736. The cubic root of 82550783 is about 435.4186887915.

The spelling of 82550783 in words is "eighty-two million, five hundred fifty thousand, seven hundred eighty-three".