82971927 has 12 divisors (see below), whose sum is σ = 120042000. Its totient is φ = 55225248.

The previous prime is 82971919. The next prime is 82971937. The reversal of 82971927 is 72917928.

It is not a de Polignac number, because 82971927 - 2³ = 82971919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82971907) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1302 + ... + 12947.

It is an arithmetic number, because the mean of its divisors is an integer number (10003500).

Almost surely, 2^82971927 is an apocalyptic number.

82971927 is a deficient number, since it is larger than the sum of its proper divisors (37070073).

82971927 is a wasteful number, since it uses less digits than its factorization.

82971927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14902 (or 14899 counting only the distinct ones).

The product of its digits is 127008, while the sum is 45.

The square root of 82971927 is about 9108.8927428091. The cubic root of 82971927 is about 436.1578823187.

The spelling of 82971927 in words is "eighty-two million, nine hundred seventy-one thousand, nine hundred twenty-seven".