82918747 has 2 divisors, whose sum is σ = 82918748. Its totient is φ = 82918746.

The previous prime is 82918733. The next prime is 82918817. The reversal of 82918747 is 74781928.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82918747 - 2¹¹ = 82916699 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82918697 and 82918706.

It is not a weakly prime, because it can be changed into another prime (82918547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41459373 + 41459374.

It is an arithmetic number, because the mean of its divisors is an integer number (41459374).

Almost surely, 2^82918747 is an apocalyptic number.

82918747 is a deficient number, since it is larger than the sum of its proper divisors (1).

82918747 is an equidigital number, since it uses as much as digits as its factorization.

82918747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 225792, while the sum is 46.

The square root of 82918747 is about 9105.9731495321. The cubic root of 82918747 is about 436.0646787727.

The spelling of 82918747 in words is "eighty-two million, nine hundred eighteen thousand, seven hundred forty-seven".