82112993 has 8 divisors (see below), whose sum is σ = 83036160. Its totient is φ = 81194400.

The previous prime is 82112969. The next prime is 82113023. The reversal of 82112993 is 39921128.

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

It is a cyclic number.

It is not a de Polignac number, because 82112993 - 2¹⁰ = 82111969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82112963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44693 + ... + 46493.

It is an arithmetic number, because the mean of its divisors is an integer number (10379520).

Almost surely, 2^82112993 is an apocalyptic number.

It is an amenable number.

82112993 is a deficient number, since it is larger than the sum of its proper divisors (923167).

82112993 is a wasteful number, since it uses less digits than its factorization.

82112993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287.

The product of its digits is 7776, while the sum is 35.

The square root of 82112993 is about 9061.6219850532. The cubic root of 82112993 is about 434.6476082070.

The spelling of 82112993 in words is "eighty-two million, one hundred twelve thousand, nine hundred ninety-three".