82763642 has 16 divisors (see below), whose sum is σ = 135023112. Its totient is φ = 37819200.

The previous prime is 82763621. The next prime is 82763657. The reversal of 82763642 is 24636728.

It can be written as a sum of positive squares in 4 ways, for example, as 63218401 + 19545241 = 7951^2 + 4421^2 .

It is a junction number, because it is equal to n+sod(n) for n = 82763596 and 82763605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13133 + ... + 18384.

Almost surely, 2^82763642 is an apocalyptic number.

82763642 is a deficient number, since it is larger than the sum of its proper divisors (52259470).

82763642 is a wasteful number, since it uses less digits than its factorization.

82763642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31633.

The product of its digits is 96768, while the sum is 38.

The square root of 82763642 is about 9097.4525005630. The cubic root of 82763642 is about 435.7926131231.

The spelling of 82763642 in words is "eighty-two million, seven hundred sixty-three thousand, six hundred forty-two".