7898747 has 2 divisors, whose sum is σ = 7898748. Its totient is φ = 7898746.

The previous prime is 7898741. The next prime is 7898753. The reversal of 7898747 is 7478987.

It is a balanced prime because it is at equal distance from previous prime (7898741) and next prime (7898753).

It is a cyclic number.

It is not a de Polignac number, because 7898747 - 2⁴ = 7898731 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 7898695 and 7898704.

It is not a weakly prime, because it can be changed into another prime (7898741) 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 as a sum of consecutive naturals, namely, 3949373 + 3949374.

It is an arithmetic number, because the mean of its divisors is an integer number (3949374).

Almost surely, 2^7898747 is an apocalyptic number.

7898747 is a deficient number, since it is larger than the sum of its proper divisors (1).

7898747 is an equidigital number, since it uses as much as digits as its factorization.

7898747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 790272, while the sum is 50.

The square root of 7898747 is about 2810.4709569750. The cubic root of 7898747 is about 199.1526399751.

The spelling of 7898747 in words is "seven million, eight hundred ninety-eight thousand, seven hundred forty-seven".