82783351 has 4 divisors (see below), whose sum is σ = 94609552. Its totient is φ = 70957152.

The previous prime is 82783339. The next prime is 82783367. The reversal of 82783351 is 15338728.

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

It is not a de Polignac number, because 82783351 - 2²³ = 74394743 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82783351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82783331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5913090 + ... + 5913103.

It is an arithmetic number, because the mean of its divisors is an integer number (23652388).

Almost surely, 2^82783351 is an apocalyptic number.

82783351 is a deficient number, since it is larger than the sum of its proper divisors (11826201).

82783351 is a wasteful number, since it uses less digits than its factorization.

82783351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11826200.

The product of its digits is 40320, while the sum is 37.

The square root of 82783351 is about 9098.5356514112. The cubic root of 82783351 is about 435.8272030094.

The spelling of 82783351 in words is "eighty-two million, seven hundred eighty-three thousand, three hundred fifty-one".