82111442 has 8 divisors (see below), whose sum is σ = 140762496. Its totient is φ = 35190612.

The previous prime is 82111423. The next prime is 82111453. The reversal of 82111442 is 24411128.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2932538 + ... + 2932565.

It is an arithmetic number, because the mean of its divisors is an integer number (17595312).

Almost surely, 2^82111442 is an apocalyptic number.

82111442 is a deficient number, since it is larger than the sum of its proper divisors (58651054).

82111442 is a wasteful number, since it uses less digits than its factorization.

82111442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5865112.

The product of its digits is 512, while the sum is 23.

The square root of 82111442 is about 9061.5364039439. The cubic root of 82111442 is about 434.6448715606.

The spelling of 82111442 in words is "eighty-two million, one hundred eleven thousand, four hundred forty-two".