82994747 has 6 divisors (see below), whose sum is σ = 91225764. Its totient is φ = 75449660.

The previous prime is 82994713. The next prime is 82994759. The reversal of 82994747 is 74749928.

It is not a de Polignac number, because 82994747 - 2¹⁰ = 82993723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82994695 and 82994704.

It is not an unprimeable number, because it can be changed into a prime (82994047) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 342833 + ... + 343074.

It is an arithmetic number, because the mean of its divisors is an integer number (15204294).

Almost surely, 2^82994747 is an apocalyptic number.

82994747 is a deficient number, since it is larger than the sum of its proper divisors (8231017).

82994747 is a wasteful number, since it uses less digits than its factorization.

82994747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685929 (or 685918 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 50.

The square root of 82994747 is about 9110.1452787538. The cubic root of 82994747 is about 436.1978645589.

The spelling of 82994747 in words is "eighty-two million, nine hundred ninety-four thousand, seven hundred forty-seven".