848748821 has 2 divisors, whose sum is σ = 848748822. Its totient is φ = 848748820.

The previous prime is 848748799. The next prime is 848748833. The reversal of 848748821 is 128847848.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 813048196 + 35700625 = 28514^2 + 5975^2 .

It is a cyclic number.

It is not a de Polignac number, because 848748821 - 2⁶ = 848748757 is a prime.

It is a super-2 number, since 2×848748821² = 1440749122297780082, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 848748821.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (848748841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424374410 + 424374411.

It is an arithmetic number, because the mean of its divisors is an integer number (424374411).

Almost surely, 2^848748821 is an apocalyptic number.

It is an amenable number.

848748821 is a deficient number, since it is larger than the sum of its proper divisors (1).

848748821 is an equidigital number, since it uses as much as digits as its factorization.

848748821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 917504, while the sum is 50.

The square root of 848748821 is about 29133.2940293404. The cubic root of 848748821 is about 946.8032238011.

The spelling of 848748821 in words is "eight hundred forty-eight million, seven hundred forty-eight thousand, eight hundred twenty-one".