82711550 has 12 divisors (see below), whose sum is σ = 153843576. Its totient is φ = 33084600.

The previous prime is 82711549. The next prime is 82711553. The reversal of 82711550 is 5511728.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82711553) 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 5 ways as a sum of consecutive naturals, for example, 827066 + ... + 827165.

It is an arithmetic number, because the mean of its divisors is an integer number (12820298).

Almost surely, 2^82711550 is an apocalyptic number.

82711550 is a deficient number, since it is larger than the sum of its proper divisors (71132026).

82711550 is a wasteful number, since it uses less digits than its factorization.

82711550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654243 (or 1654238 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 82711550 is about 9094.5890506388. The cubic root of 82711550 is about 435.7011636544.

The spelling of 82711550 in words is "eighty-two million, seven hundred eleven thousand, five hundred fifty".