7898873 has 2 divisors, whose sum is σ = 7898874. Its totient is φ = 7898872.

The previous prime is 7898857. The next prime is 7898879. The reversal of 7898873 is 3788987.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6615184 + 1283689 = 2572^2 + 1133^2 .

It is a cyclic number.

It is not a de Polignac number, because 7898873 - 2⁴ = 7898857 is a prime.

It is not a weakly prime, because it can be changed into another prime (7898879) 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, 3949436 + 3949437.

It is an arithmetic number, because the mean of its divisors is an integer number (3949437).

Almost surely, 2^7898873 is an apocalyptic number.

It is an amenable number.

7898873 is a deficient number, since it is larger than the sum of its proper divisors (1).

7898873 is an equidigital number, since it uses as much as digits as its factorization.

7898873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 677376, while the sum is 50.

The square root of 7898873 is about 2810.4933730575. The cubic root of 7898873 is about 199.1536989236.

The spelling of 7898873 in words is "seven million, eight hundred ninety-eight thousand, eight hundred seventy-three".