82776733 has 8 divisors (see below), whose sum is σ = 91554008. Its totient is φ = 74343744.

The previous prime is 82776731. The next prime is 82776739. The reversal of 82776733 is 33767728.

It can be written as a sum of positive squares in 4 ways, for example, as 21279769 + 61496964 = 4613^2 + 7842^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 82776733 - 2¹ = 82776731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82776733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82776731) 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, 85566 + ... + 86527.

It is an arithmetic number, because the mean of its divisors is an integer number (11444251).

Almost surely, 2^82776733 is an apocalyptic number.

It is an amenable number.

82776733 is a deficient number, since it is larger than the sum of its proper divisors (8777275).

82776733 is a wasteful number, since it uses less digits than its factorization.

82776733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172143.

The product of its digits is 296352, while the sum is 43.

The square root of 82776733 is about 9098.1719592454. The cubic root of 82776733 is about 435.8155888332.

The spelling of 82776733 in words is "eighty-two million, seven hundred seventy-six thousand, seven hundred thirty-three".