82100954 has 12 divisors (see below), whose sum is σ = 132699294. Its totient is φ = 37871424.

The previous prime is 82100947. The next prime is 82100971. The reversal of 82100954 is 45900128.

It can be written as a sum of positive squares in 3 ways, for example, as 57350329 + 24750625 = 7573^2 + 4975^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45314 + ... + 47090.

Almost surely, 2^82100954 is an apocalyptic number.

82100954 is a deficient number, since it is larger than the sum of its proper divisors (50598340).

82100954 is an equidigital number, since it uses as much as digits as its factorization.

82100954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3569 (or 1792 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 82100954 is about 9060.9576756544. The cubic root of 82100954 is about 434.6263652095.

The spelling of 82100954 in words is "eighty-two million, one hundred thousand, nine hundred fifty-four".