82605782 has 32 divisors (see below), whose sum is σ = 145635840. Its totient is φ = 34410240.

The previous prime is 82605769. The next prime is 82605791. The reversal of 82605782 is 28750628.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79607 + ... + 80637.

It is an arithmetic number, because the mean of its divisors is an integer number (4551120).

Almost surely, 2^82605782 is an apocalyptic number.

82605782 is a deficient number, since it is larger than the sum of its proper divisors (63030058).

82605782 is a wasteful number, since it uses less digits than its factorization.

82605782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 82605782 is about 9088.7723043324. The cubic root of 82605782 is about 435.5153657510.

The spelling of 82605782 in words is "eighty-two million, six hundred five thousand, seven hundred eighty-two".