82154327 has 4 divisors (see below), whose sum is σ = 82543896. Its totient is φ = 81764760.

The previous prime is 82154269. The next prime is 82154341. The reversal of 82154327 is 72345128.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82154327 - 2¹⁴ = 82137943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82154293 and 82154302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82154357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194468 + ... + 194889.

It is an arithmetic number, because the mean of its divisors is an integer number (20635974).

Almost surely, 2^82154327 is an apocalyptic number.

82154327 is a deficient number, since it is larger than the sum of its proper divisors (389569).

82154327 is a wasteful number, since it uses less digits than its factorization.

82154327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389568.

The product of its digits is 13440, while the sum is 32.

The square root of 82154327 is about 9063.9024156265. The cubic root of 82154327 is about 434.7205268763.

The spelling of 82154327 in words is "eighty-two million, one hundred fifty-four thousand, three hundred twenty-seven".